23942504421 has 32 divisors (see below), whose sum is σ = 40971139200. Its totient is φ = 13657040640.

The previous prime is 23942504393. The next prime is 23942504437. The reversal of 23942504421 is 12440524932.

It is a happy number.

23942504421 is a `hidden beast` number, since 23 + 94 + 2 + 504 + 42 + 1 = 666.

It is not a de Polignac number, because 23942504421 - 2¹¹ = 23942502373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23942504461) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2365966 + ... + 2376063.

It is an arithmetic number, because the mean of its divisors is an integer number (1280348100).

Almost surely, 2^23942504421 is an apocalyptic number.

It is an amenable number.

23942504421 is a deficient number, since it is larger than the sum of its proper divisors (17028634779).

23942504421 is a wasteful number, since it uses less digits than its factorization.

23942504421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4742066 (or 4742060 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The spelling of 23942504421 in words is "twenty-three billion, nine hundred forty-two million, five hundred four thousand, four hundred twenty-one".