23918923340928 has 4032 divisors, whose sum is σ = 101207525932800. Its totient is φ = 5552586547200.

The previous prime is 23918923340911. The next prime is 23918923340981. The reversal of 23918923340928 is 82904332981932.

23918923340928 is a `hidden beast` number, since 2 + 3 + 9 + 189 + 23 + 3 + 409 + 28 = 666.

It is a tau number, because it is divible by the number of its divisors (4032).

It is a super-2 number, since 2×23918923340928² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 503 ways as a sum of consecutive naturals, for example, 771578172273 + ... + 771578172303.

It is an arithmetic number, because the mean of its divisors is an integer number (25101072900).

Almost surely, 2^{23918923340928} is an apocalyptic number.

23918923340928 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 23918923340928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50603762966400).

23918923340928 is an abundant number, since it is smaller than the sum of its proper divisors (77288602591872).

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

23918923340928 is a wasteful number, since it uses less digits than its factorization.

23918923340928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163 (or 106 counting only the distinct ones).

The product of its (nonzero) digits is 40310784, while the sum is 63.

The spelling of 23918923340928 in words is "twenty-three trillion, nine hundred eighteen billion, nine hundred twenty-three million, three hundred forty thousand, nine hundred twenty-eight".