23465638 has 16 divisors (see below), whose sum is σ = 40327200. Its totient is φ = 10031616.

The previous prime is 23465623. The next prime is 23465639. The reversal of 23465638 is 83656432.

It is a junction number, because it is equal to n+sod(n) for n = 23465597 and 23465606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23465639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4420 + ... + 8152.

It is an arithmetic number, because the mean of its divisors is an integer number (2520450).

Almost surely, 2^23465638 is an apocalyptic number.

23465638 is a deficient number, since it is larger than the sum of its proper divisors (16861562).

23465638 is a wasteful number, since it uses less digits than its factorization.

23465638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4191.

The product of its digits is 103680, while the sum is 37.

The square root of 23465638 is about 4844.1343911993. The cubic root of 23465638 is about 286.2930391735.

The spelling of 23465638 in words is "twenty-three million, four hundred sixty-five thousand, six hundred thirty-eight".