23657517480042 has 48 divisors (see below), whose sum is σ = 52036059385440. Its totient is φ = 7766982742176.

The previous prime is 23657517479989. The next prime is 23657517480089. The reversal of 23657517480042 is 24008471575632.

23657517480042 is a `hidden beast` number, since 2 + 3 + 6 + 5 + 7 + 517 + 4 + 80 + 0 + 42 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35167492 + ... + 35833887.

It is an arithmetic number, because the mean of its divisors is an integer number (1084084570530).

Almost surely, 2^{23657517480042} is an apocalyptic number.

23657517480042 is an abundant number, since it is smaller than the sum of its proper divisors (28378541905398).

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

23657517480042 is a wasteful number, since it uses less digits than its factorization.

23657517480042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71001667 (or 71001664 counting only the distinct ones).

The product of its (nonzero) digits is 11289600, while the sum is 54.

The spelling of 23657517480042 in words is "twenty-three trillion, six hundred fifty-seven billion, five hundred seventeen million, four hundred eighty thousand, forty-two".