23256616 has 16 divisors (see below), whose sum is σ = 44321940. Its totient is φ = 11437440.

The previous prime is 23256613. The next prime is 23256619. The reversal of 23256616 is 61665232.

It is an interprime number because it is at equal distance from previous prime (23256613) and next prime (23256619).

It can be written as a sum of positive squares in 2 ways, for example, as 22600516 + 656100 = 4754^2 + 810^2 .

It is not an unprimeable number, because it can be changed into a prime (23256613) 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, 23341 + ... + 24316.

Almost surely, 2^23256616 is an apocalyptic number.

It is an amenable number.

23256616 is a deficient number, since it is larger than the sum of its proper divisors (21065324).

23256616 is a wasteful number, since it uses less digits than its factorization.

23256616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47724 (or 47720 counting only the distinct ones).

The product of its digits is 12960, while the sum is 31.

The square root of 23256616 is about 4822.5113789394. The cubic root of 23256616 is about 285.4404434298.

The spelling of 23256616 in words is "twenty-three million, two hundred fifty-six thousand, six hundred sixteen".