23961228928 has 192 divisors, whose sum is σ = 62951666400. Its totient is φ = 8979683328.

The previous prime is 23961228913. The next prime is 23961228931. The reversal of 23961228928 is 82982216932.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1541451 + ... + 1556917.

Almost surely, 2^23961228928 is an apocalyptic number.

23961228928 is a gapful number since it is divisible by the number (28) 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 23961228928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31475833200).

23961228928 is an abundant number, since it is smaller than the sum of its proper divisors (38990437472).

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

23961228928 is a wasteful number, since it uses less digits than its factorization.

23961228928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15527 (or 15508 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 52.

The spelling of 23961228928 in words is "twenty-three billion, nine hundred sixty-one million, two hundred twenty-eight thousand, nine hundred twenty-eight".