23213031000 has 64 divisors (see below), whose sum is σ = 72424666080. Its totient is φ = 6190140800.

The previous prime is 23213030941. The next prime is 23213031007. The reversal of 23213031000 is 13031232.

It is a super-2 number, since 2×23213031000² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23213031007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3865839 + ... + 3871838.

Almost surely, 2^23213031000 is an apocalyptic number.

23213031000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23213031000 is an abundant number, since it is smaller than the sum of its proper divisors (49211635080).

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

23213031000 is a wasteful number, since it uses less digits than its factorization.

23213031000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7737701 (or 7737687 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 23213031000 its reverse (13031232), we get a palindrome (23226062232).

The spelling of 23213031000 in words is "twenty-three billion, two hundred thirteen million, thirty-one thousand".