23172192000 has 432 divisors, whose sum is σ = 84811446720. Its totient is φ = 6073344000.

The previous prime is 23172191993. The next prime is 23172192079. The reversal of 23172192000 is 29127132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17567341 + ... + 17568659.

Almost surely, 2^23172192000 is an apocalyptic number.

23172192000 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 23172192000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42405723360).

23172192000 is an abundant number, since it is smaller than the sum of its proper divisors (61639254720).

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

23172192000 is a wasteful number, since it uses less digits than its factorization.

23172192000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1417 (or 1390 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The spelling of 23172192000 in words is "twenty-three billion, one hundred seventy-two million, one hundred ninety-two thousand".