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1223123132230 = 25659918534977
BaseRepresentation
bin10001110011000111110…
…100011101111101000110
311022221002112221221020021
4101303013310131331012
5130014424010212410
62333521153325354
7154240063040506
oct21630764357506
94287075857207
101223123132230
114317a613762a
1217907156685a
138b45602967c
14432b1509a06
1521c39c1deda
hex11cc7d1df46

1223123132230 has 16 divisors (see below), whose sum is σ = 2201955386400. Its totient is φ = 489175086592.

The previous prime is 1223123132227. The next prime is 1223123132233. The reversal of 1223123132230 is 322313213221.

It is an interprime number because it is at equal distance from previous prime (1223123132227) and next prime (1223123132233).

It is a super-2 number, since 2×12231231322302 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1223123132195 and 1223123132204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223123132233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9201499 + ... + 9333478.

It is an arithmetic number, because the mean of its divisors is an integer number (137622211650).

Almost surely, 21223123132230 is an apocalyptic number.

1223123132230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1223123132230 is a deficient number, since it is larger than the sum of its proper divisors (978832254170).

1223123132230 is a wasteful number, since it uses less digits than its factorization.

1223123132230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18541583.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 1223123132230 its reverse (322313213221), we get a palindrome (1545436345451).

The spelling of 1223123132230 in words is "one trillion, two hundred twenty-three billion, one hundred twenty-three million, one hundred thirty-two thousand, two hundred thirty".

Divisors: 1 2 5 10 6599 13198 32995 65990 18534977 37069954 92674885 185349770 122312313223 244624626446 611561566115 1223123132230