23133726538920 has 384 divisors, whose sum is σ = 81004484246400. Its totient is φ = 5706825062400.

The previous prime is 23133726538903. The next prime is 23133726538933. The reversal of 23133726538920 is 2983562733132.

23133726538920 is a `hidden beast` number, since 2 + 3 + 1 + 33 + 72 + 6 + 538 + 9 + 2 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1359120010 + ... + 1359137030.

It is an arithmetic number, because the mean of its divisors is an integer number (210949177725).

Almost surely, 2^{23133726538920} is an apocalyptic number.

23133726538920 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 23133726538920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40502242123200).

23133726538920 is an abundant number, since it is smaller than the sum of its proper divisors (57870757707480).

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

23133726538920 is a wasteful number, since it uses less digits than its factorization.

23133726538920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21721 (or 21714 counting only the distinct ones).

The product of its (nonzero) digits is 9797760, while the sum is 54.

The spelling of 23133726538920 in words is "twenty-three trillion, one hundred thirty-three billion, seven hundred twenty-six million, five hundred thirty-eight thousand, nine hundred twenty".