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1223232233 = 7117228623
BaseRepresentation
bin100100011101001…
…0000101011101001
310011020201122011112
41020322100223221
510001121412413
6321214040105
742212205506
oct11072205351
93136648145
101223232233
11578534533
122a17a9035
13166569b72
14b865a4ad
15725c92a8
hex48e90ae9

1223232233 has 4 divisors (see below), whose sum is σ = 1240460928. Its totient is φ = 1206003540.

The previous prime is 1223232221. The next prime is 1223232251. The reversal of 1223232233 is 3322323221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1223232233 - 212 = 1223228137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1223232199 and 1223232208.

It is not an unprimeable number, because it can be changed into a prime (1223232833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8614241 + ... + 8614382.

It is an arithmetic number, because the mean of its divisors is an integer number (310115232).

Almost surely, 21223232233 is an apocalyptic number.

It is an amenable number.

1223232233 is a deficient number, since it is larger than the sum of its proper divisors (17228695).

1223232233 is an equidigital number, since it uses as much as digits as its factorization.

1223232233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17228694.

The product of its digits is 2592, while the sum is 23.

The square root of 1223232233 is about 34974.7370683469. The cubic root of 1223232233 is about 1069.4725420230.

Adding to 1223232233 its reverse (3322323221), we get a palindrome (4545555454).

The spelling of 1223232233 in words is "one billion, two hundred twenty-three million, two hundred thirty-two thousand, two hundred thirty-three".

Divisors: 1 71 17228623 1223232233