23122089589500 has 576 divisors, whose sum is σ = 82304892633600. Its totient is φ = 5600404656000.

The previous prime is 23122089589457. The next prime is 23122089589507. The reversal of 23122089589500 is 598598022132.

It is a happy number.

23122089589500 is a `hidden beast` number, since 2 + 3 + 1 + 2 + 2 + 0 + 8 + 9 + 589 + 50 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23122089589507) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 2056570879 + ... + 2056582121.

It is an arithmetic number, because the mean of its divisors is an integer number (142890438600).

Almost surely, 2^{23122089589500} is an apocalyptic number.

23122089589500 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 23122089589500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41152446316800).

23122089589500 is an abundant number, since it is smaller than the sum of its proper divisors (59182803044100).

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

23122089589500 is a wasteful number, since it uses less digits than its factorization.

23122089589500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12552 (or 12523 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 54.

The spelling of 23122089589500 in words is "twenty-three trillion, one hundred twenty-two billion, eighty-nine million, five hundred eighty-nine thousand, five hundred".