23621338 has 8 divisors (see below), whose sum is σ = 38157588. Its totient is φ = 10902144.

The previous prime is 23621333. The next prime is 23621363. The reversal of 23621338 is 83312632.

It can be written as a sum of positive squares in 2 ways, for example, as 23107249 + 514089 = 4807^2 + 717^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (23621333) 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, 454231 + ... + 454282.

Almost surely, 2^23621338 is an apocalyptic number.

23621338 is a deficient number, since it is larger than the sum of its proper divisors (14536250).

23621338 is a wasteful number, since it uses less digits than its factorization.

23621338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 908528.

The product of its digits is 5184, while the sum is 28.

The square root of 23621338 is about 4860.1788032952. The cubic root of 23621338 is about 286.9248509270.

The spelling of 23621338 in words is "twenty-three million, six hundred twenty-one thousand, three hundred thirty-eight".