23291062784 has 160 divisors (see below), whose sum is σ = 53430062400. Its totient is φ = 10044375040.

The previous prime is 23291062783. The next prime is 23291062807. The reversal of 23291062784 is 48726019232.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (23291062783) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9635144 + ... + 9637560.

It is an arithmetic number, because the mean of its divisors is an integer number (333937890).

Almost surely, 2^23291062784 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 23291062784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26715031200).

23291062784 is an abundant number, since it is smaller than the sum of its proper divisors (30138999616).

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

23291062784 is a wasteful number, since it uses less digits than its factorization.

23291062784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2534 (or 2518 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 44.

The spelling of 23291062784 in words is "twenty-three billion, two hundred ninety-one million, sixty-two thousand, seven hundred eighty-four".