23551330556 has 12 divisors (see below), whose sum is σ = 44385199992. Its totient is φ = 10869844848.

The previous prime is 23551330507. The next prime is 23551330567. The reversal of 23551330556 is 65503315532.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 226455050 + ... + 226455153.

It is an arithmetic number, because the mean of its divisors is an integer number (3698766666).

Almost surely, 2^23551330556 is an apocalyptic number.

23551330556 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

23551330556 is a deficient number, since it is larger than the sum of its proper divisors (20833869436).

23551330556 is a wasteful number, since it uses less digits than its factorization.

23551330556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452910220 (or 452910218 counting only the distinct ones).

The product of its (nonzero) digits is 202500, while the sum is 38.

The spelling of 23551330556 in words is "twenty-three billion, five hundred fifty-one million, three hundred thirty thousand, five hundred fifty-six".