12457138023 has 12 divisors (see below), whose sum is σ = 19629429768. Its totient is φ = 7549780560.

The previous prime is 12457138021. The next prime is 12457138033. The reversal of 12457138023 is 32083175421.

12457138023 is a `hidden beast` number, since 1 + 2 + 4 + 571 + 3 + 80 + 2 + 3 = 666.

It is not a de Polignac number, because 12457138023 - 2¹ = 12457138021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12457138021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62914740 + ... + 62914937.

It is an arithmetic number, because the mean of its divisors is an integer number (1635785814).

Almost surely, 2^12457138023 is an apocalyptic number.

12457138023 is a deficient number, since it is larger than the sum of its proper divisors (7172291745).

12457138023 is a wasteful number, since it uses less digits than its factorization.

12457138023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125829694 (or 125829691 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

It can be divided in two parts, 1245713 and 8023, that added together give a triangular number (1253736 = T₁₅₈₃).

The spelling of 12457138023 in words is "twelve billion, four hundred fifty-seven million, one hundred thirty-eight thousand, twenty-three".