23318322990 has 64 divisors (see below), whose sum is σ = 59354629632. Its totient is φ = 5850345600.

The previous prime is 23318322961. The next prime is 23318323001. The reversal of 23318322990 is 9922381332.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 234916 + ... + 319095.

It is an arithmetic number, because the mean of its divisors is an integer number (927416088).

Almost surely, 2^23318322990 is an apocalyptic number.

23318322990 is an abundant number, since it is smaller than the sum of its proper divisors (36036306642).

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

23318322990 is a wasteful number, since it uses less digits than its factorization.

23318322990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554105.

The product of its (nonzero) digits is 139968, while the sum is 42.

The spelling of 23318322990 in words is "twenty-three billion, three hundred eighteen million, three hundred twenty-two thousand, nine hundred ninety".