23704397544 has 32 divisors (see below), whose sum is σ = 59264773920. Its totient is φ = 7900961856.

The previous prime is 23704397543. The next prime is 23704397557. The reversal of 23704397544 is 44579340732.

It is a junction number, because it is equal to n+sod(n) for n = 23704397493 and 23704397502.

It is not an unprimeable number, because it can be changed into a prime (23704397543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 687894 + ... + 721530.

It is an arithmetic number, because the mean of its divisors is an integer number (1852024185).

Almost surely, 2^23704397544 is an apocalyptic number.

23704397544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

23704397544 is an abundant number, since it is smaller than the sum of its proper divisors (35560376376).

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

23704397544 is a wasteful number, since it uses less digits than its factorization.

23704397544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63009 (or 63005 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 48.

The spelling of 23704397544 in words is "twenty-three billion, seven hundred four million, three hundred ninety-seven thousand, five hundred forty-four".