12497494023 has 32 divisors (see below), whose sum is σ = 21168345600. Its totient is φ = 7138533888.

The previous prime is 12497494021. The next prime is 12497494027. The reversal of 12497494023 is 32049479421.

It is not a de Polignac number, because 12497494023 - 2¹ = 12497494021 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12497494023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12497494021) 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, 508308 + ... + 532326.

It is an arithmetic number, because the mean of its divisors is an integer number (661510800).

Almost surely, 2^12497494023 is an apocalyptic number.

12497494023 is a deficient number, since it is larger than the sum of its proper divisors (8670851577).

12497494023 is a wasteful number, since it uses less digits than its factorization.

12497494023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26788 (or 26782 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The spelling of 12497494023 in words is "twelve billion, four hundred ninety-seven million, four hundred ninety-four thousand, twenty-three".