23878624824 has 128 divisors (see below), whose sum is σ = 68999112000. Its totient is φ = 7642252800.

The previous prime is 23878624807. The next prime is 23878624831. The reversal of 23878624824 is 42842687832.

23878624824 is a `hidden beast` number, since 2 + 3 + 8 + 7 + 8 + 624 + 8 + 2 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1123254 + ... + 1144314.

Almost surely, 2^23878624824 is an apocalyptic number.

23878624824 is a gapful number since it is divisible by the number (24) 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 23878624824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34499556000).

23878624824 is an abundant number, since it is smaller than the sum of its proper divisors (45120487176).

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

23878624824 is a wasteful number, since it uses less digits than its factorization.

23878624824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21286 (or 21276 counting only the distinct ones).

The product of its digits is 8257536, while the sum is 54.

The spelling of 23878624824 in words is "twenty-three billion, eight hundred seventy-eight million, six hundred twenty-four thousand, eight hundred twenty-four".