23189718492432 has 240 divisors, whose sum is σ = 65946514652928. Its totient is φ = 7605938995200.

The previous prime is 23189718492403. The next prime is 23189718492517. The reversal of 23189718492432 is 23429481798132.

23189718492432 is a `hidden beast` number, since 2 + 3 + 1 + 8 + 97 + 18 + 492 + 43 + 2 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 23189718492432.

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, 6065841273 + ... + 6065845095.

Almost surely, 2^{23189718492432} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23189718492432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32973257326464).

23189718492432 is an abundant number, since it is smaller than the sum of its proper divisors (42756796160496).

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

23189718492432 is a wasteful number, since it uses less digits than its factorization.

23189718492432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5838 (or 5829 counting only the distinct ones).

The product of its digits is 41803776, while the sum is 63.

The spelling of 23189718492432 in words is "twenty-three trillion, one hundred eighty-nine billion, seven hundred eighteen million, four hundred ninety-two thousand, four hundred thirty-two".