23923783728 has 320 divisors, whose sum is σ = 78453312000. Its totient is φ = 6919271424.

The previous prime is 23923783703. The next prime is 23923783739. The reversal of 23923783728 is 82738732932.

23923783728 is a `hidden beast` number, since 2 + 39 + 237 + 8 + 372 + 8 = 666.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14831050 + ... + 14832662.

It is an arithmetic number, because the mean of its divisors is an integer number (245166600).

Almost surely, 2^23923783728 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 23923783728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39226656000).

23923783728 is an abundant number, since it is smaller than the sum of its proper divisors (54529528272).

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

23923783728 is a wasteful number, since it uses less digits than its factorization.

23923783728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1801 (or 1789 counting only the distinct ones).

The product of its digits is 6096384, while the sum is 54.

The spelling of 23923783728 in words is "twenty-three billion, nine hundred twenty-three million, seven hundred eighty-three thousand, seven hundred twenty-eight".