23904211968 has 440 divisors, whose sum is σ = 87883310592. Its totient is φ = 6302416896.

The previous prime is 23904211943. The next prime is 23904211979. The reversal of 23904211968 is 86911240932.

23904211968 is a `hidden beast` number, since 2 + 39 + 0 + 421 + 196 + 8 = 666.

It is a super-2 number, since 2×23904211968² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 7546321 + ... + 7549487.

Almost surely, 2^23904211968 is an apocalyptic number.

23904211968 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 23904211968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43941655296).

23904211968 is an abundant number, since it is smaller than the sum of its proper divisors (63979098624).

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

23904211968 is a wasteful number, since it uses less digits than its factorization.

23904211968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3219 (or 3192 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The spelling of 23904211968 in words is "twenty-three billion, nine hundred four million, two hundred eleven thousand, nine hundred sixty-eight".