23532538 has 4 divisors (see below), whose sum is σ = 35298810. Its totient is φ = 11766268.

The previous prime is 23532533. The next prime is 23532547. The reversal of 23532538 is 83523532.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 12020089 + 11512449 = 3467^2 + 3393^2 .

It is not an unprimeable number, because it can be changed into a prime (23532533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5883133 + ... + 5883136.

Almost surely, 2^23532538 is an apocalyptic number.

23532538 is a deficient number, since it is larger than the sum of its proper divisors (11766272).

23532538 is a wasteful number, since it uses less digits than its factorization.

23532538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11766271.

The product of its digits is 21600, while the sum is 31.

The square root of 23532538 is about 4851.0347349818. The cubic root of 23532538 is about 286.5648526723.

The spelling of 23532538 in words is "twenty-three million, five hundred thirty-two thousand, five hundred thirty-eight".