23408471992 has 8 divisors (see below), whose sum is σ = 43890885000. Its totient is φ = 11704235992.

The previous prime is 23408471959. The next prime is 23408472001. The reversal of 23408471992 is 29917480432.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×23408471992² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 1463029492 + ... + 1463029507.

It is an arithmetic number, because the mean of its divisors is an integer number (5486360625).

Almost surely, 2^23408471992 is an apocalyptic number.

It is an amenable number.

23408471992 is a deficient number, since it is larger than the sum of its proper divisors (20482413008).

23408471992 is a wasteful number, since it uses less digits than its factorization.

23408471992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2926059005 (or 2926059001 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 49.

The spelling of 23408471992 in words is "twenty-three billion, four hundred eight million, four hundred seventy-one thousand, nine hundred ninety-two".