23156612 has 6 divisors (see below), whose sum is σ = 40524078. Its totient is φ = 11578304.

The previous prime is 23156603. The next prime is 23156621. The reversal of 23156612 is 21665132.

It is an interprime number because it is at equal distance from previous prime (23156603) and next prime (23156621).

It can be written as a sum of positive squares in only one way, i.e., 15888196 + 7268416 = 3986^2 + 2696^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2894573 + ... + 2894580.

It is an arithmetic number, because the mean of its divisors is an integer number (6754013).

Almost surely, 2^23156612 is an apocalyptic number.

It is an amenable number.

23156612 is a deficient number, since it is larger than the sum of its proper divisors (17367466).

23156612 is a wasteful number, since it uses less digits than its factorization.

23156612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5789157 (or 5789155 counting only the distinct ones).

The product of its digits is 2160, while the sum is 26.

The square root of 23156612 is about 4812.1317521448. The cubic root of 23156612 is about 285.0307220395.

The spelling of 23156612 in words is "twenty-three million, one hundred fifty-six thousand, six hundred twelve".