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1223103443441 = 112163166737201
BaseRepresentation
bin10001110011000110101…
…001010111000111110001
311022221001011220122021212
4101303012221113013301
5130014403440142231
62333515211325505
7154236433506005
oct21630651270761
94287034818255
101223103443441
1143179600a100
12179066a50895
138b451c24ab9
14432aca62705
1521c3813042b
hex11cc6a571f1

1223103443441 has 24 divisors (see below), whose sum is σ = 1353498640032. Its totient is φ = 1104398064000.

The previous prime is 1223103443411. The next prime is 1223103443447. The reversal of 1223103443441 is 1443443013221.

It is a de Polignac number, because none of the positive numbers 2k-1223103443441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1223103443398 and 1223103443407.

It is not an unprimeable number, because it can be changed into a prime (1223103443447) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32859641 + ... + 32896841.

It is an arithmetic number, because the mean of its divisors is an integer number (56395776668).

Almost surely, 21223103443441 is an apocalyptic number.

1223103443441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1223103443441 is a deficient number, since it is larger than the sum of its proper divisors (130395196591).

1223103443441 is a wasteful number, since it uses less digits than its factorization.

1223103443441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39053 (or 39042 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 1223103443441 its reverse (1443443013221), we get a palindrome (2666546456662).

The spelling of 1223103443441 in words is "one trillion, two hundred twenty-three billion, one hundred three million, four hundred forty-three thousand, four hundred forty-one".

Divisors: 1 11 121 163 1667 1793 18337 19723 37201 201707 271721 409211 2988931 4501321 6063763 32878241 62014067 66701393 682154737 733715323 7503702107 10108292921 111191222131 1223103443441