23202131000 has 64 divisors (see below), whose sum is σ = 54657720000. Its totient is φ = 9218505600.

The previous prime is 23202130981. The next prime is 23202131033. The reversal of 23202131000 is 13120232.

It is a happy number.

It is a super-2 number, since 2×23202131000² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71141 + ... + 226859.

It is an arithmetic number, because the mean of its divisors is an integer number (854026875).

Almost surely, 2^23202131000 is an apocalyptic number.

23202131000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23202131000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27328860000).

23202131000 is an abundant number, since it is smaller than the sum of its proper divisors (31455589000).

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

23202131000 is a wasteful number, since it uses less digits than its factorization.

23202131000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155889 (or 155875 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 23202131000 its reverse (13120232), we get a palindrome (23215251232).

The spelling of 23202131000 in words is "twenty-three billion, two hundred two million, one hundred thirty-one thousand".