23491842272 has 48 divisors (see below), whose sum is σ = 47873871360. Its totient is φ = 11338403328.

The previous prime is 23491842263. The next prime is 23491842287. The reversal of 23491842272 is 27224819432.

It is a super-2 number, since 2×23491842272² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72254 + ... + 228482.

It is an arithmetic number, because the mean of its divisors is an integer number (997372320).

Almost surely, 2^23491842272 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 23491842272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23936935680).

23491842272 is an abundant number, since it is smaller than the sum of its proper divisors (24382029088).

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

23491842272 is a wasteful number, since it uses less digits than its factorization.

23491842272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156403 (or 156395 counting only the distinct ones).

The product of its digits is 387072, while the sum is 44.

The spelling of 23491842272 in words is "twenty-three billion, four hundred ninety-one million, eight hundred forty-two thousand, two hundred seventy-two".