23923736928 has 288 divisors, whose sum is σ = 83920479552. Its totient is φ = 6295449600.

The previous prime is 23923736923. The next prime is 23923736987. The reversal of 23923736928 is 82963732932.

23923736928 is a `hidden beast` number, since 23 + 9 + 237 + 369 + 28 = 666.

It is a Cunningham number, because it is equal to 154673²-1.

It is a tau number, because it is divible by the number of its divisors (288).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23923736923) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17322798 + ... + 17324178.

It is an arithmetic number, because the mean of its divisors is an integer number (291390554).

Almost surely, 2^23923736928 is an apocalyptic number.

23923736928 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 23923736928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41960239776).

23923736928 is an abundant number, since it is smaller than the sum of its proper divisors (59996742624).

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

23923736928 is a wasteful number, since it uses less digits than its factorization.

23923736928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2078 (or 2067 counting only the distinct ones).

The product of its digits is 5878656, while the sum is 54.

The spelling of 23923736928 in words is "twenty-three billion, nine hundred twenty-three million, seven hundred thirty-six thousand, nine hundred twenty-eight".