23672538 has 24 divisors (see below), whose sum is σ = 51491700. Its totient is φ = 7859904.

The previous prime is 23672531. The next prime is 23672557. The reversal of 23672538 is 83527632.

It can be written as a sum of positive squares in 2 ways, for example, as 23068809 + 603729 = 4803^2 + 777^2 .

It is a super-2 number, since 2×23672538² = 1120778110722888, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23672531) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2398 + ... + 7286.

Almost surely, 2^23672538 is an apocalyptic number.

23672538 is an abundant number, since it is smaller than the sum of its proper divisors (27819162).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23672538 is a wasteful number, since it uses less digits than its factorization.

23672538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5166 (or 5163 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 23672538 is about 4865.4432480505. The cubic root of 23672538 is about 287.1320075672.

The spelling of 23672538 in words is "twenty-three million, six hundred seventy-two thousand, five hundred thirty-eight".