23947419936 has 96 divisors (see below), whose sum is σ = 69870765888. Its totient is φ = 7119856640.

The previous prime is 23947419919. The next prime is 23947419943. The reversal of 23947419936 is 63991474932.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×23947419936² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157971 + ... + 269906.

It is an arithmetic number, because the mean of its divisors is an integer number (727820478).

Almost surely, 2^23947419936 is an apocalyptic number.

It is an amenable number.

23947419936 is an abundant number, since it is smaller than the sum of its proper divisors (45923345952).

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

23947419936 is a wasteful number, since it uses less digits than its factorization.

23947419936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427954 (or 427946 counting only the distinct ones).

The product of its digits is 8817984, while the sum is 57.

The spelling of 23947419936 in words is "twenty-three billion, nine hundred forty-seven million, four hundred nineteen thousand, nine hundred thirty-six".