207137323900 has 72 divisors (see below), whose sum is σ = 492268649040. Its totient is φ = 75185149440.

The previous prime is 207137323819. The next prime is 207137323901. The reversal of 207137323900 is 9323731702.

It is a super-2 number, since 2×207137323900² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 207137323900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (207137323901) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1273609 + ... + 1427008.

It is an arithmetic number, because the mean of its divisors is an integer number (6837064570).

Almost surely, 2^207137323900 is an apocalyptic number.

207137323900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

207137323900 is an abundant number, since it is smaller than the sum of its proper divisors (285131325140).

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

207137323900 is a wasteful number, since it uses less digits than its factorization.

207137323900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2700703 (or 2700696 counting only the distinct ones).

The product of its (nonzero) digits is 47628, while the sum is 37.

The spelling of 207137323900 in words is "two hundred seven billion, one hundred thirty-seven million, three hundred twenty-three thousand, nine hundred".