23904056 has 16 divisors (see below), whose sum is σ = 48894840. Its totient is φ = 10865440.

The previous prime is 23904053. The next prime is 23904073. The reversal of 23904056 is 65040932.

It is a super-2 number, since 2×23904056² = 1142807786502272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23904053) 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, 135731 + ... + 135906.

Almost surely, 2^23904056 is an apocalyptic number.

It is an amenable number.

23904056 is an abundant number, since it is smaller than the sum of its proper divisors (24990784).

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

23904056 is a wasteful number, since it uses less digits than its factorization.

23904056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271654 (or 271650 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 23904056 is about 4889.1774359293. The cubic root of 23904056 is about 288.0650251836.

Adding to 23904056 its reverse (65040932), we get a palindrome (88944988).

It can be divided in two parts, 2390 and 4056, that added together give a palindrome (6446).

The spelling of 23904056 in words is "twenty-three million, nine hundred four thousand, fifty-six".