23263597494 has 32 divisors (see below), whose sum is σ = 52229852640. Its totient is φ = 7674587136.

The previous prime is 23263597421. The next prime is 23263597507. The reversal of 23263597494 is 49479536232.

23263597494 is a `hidden beast` number, since 2 + 3 + 2 + 6 + 3 + 597 + 49 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 23263597494.

It is a congruent number.

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, 2215419 + ... + 2225894.

It is an arithmetic number, because the mean of its divisors is an integer number (1632182895).

Almost surely, 2^23263597494 is an apocalyptic number.

23263597494 is an abundant number, since it is smaller than the sum of its proper divisors (28966255146).

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

23263597494 is a wasteful number, since it uses less digits than its factorization.

23263597494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4441421 (or 4441415 counting only the distinct ones).

The product of its digits is 9797760, while the sum is 54.

The spelling of 23263597494 in words is "twenty-three billion, two hundred sixty-three million, five hundred ninety-seven thousand, four hundred ninety-four".