12997609023 has 24 divisors (see below), whose sum is σ = 20164665648. Its totient is φ = 7425323136.

The previous prime is 12997609013. The next prime is 12997609033. The reversal of 12997609023 is 32090679921.

It is an interprime number because it is at equal distance from previous prime (12997609013) and next prime (12997609033).

It is not a de Polignac number, because 12997609023 - 2¹² = 12997604927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12997609013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 742965 + ... + 760257.

It is an arithmetic number, because the mean of its divisors is an integer number (840194402).

Almost surely, 2^12997609023 is an apocalyptic number.

12997609023 is a deficient number, since it is larger than the sum of its proper divisors (7167056625).

12997609023 is a wasteful number, since it uses less digits than its factorization.

12997609023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22423 (or 22416 counting only the distinct ones).

The product of its (nonzero) digits is 367416, while the sum is 48.

The spelling of 12997609023 in words is "twelve billion, nine hundred ninety-seven million, six hundred nine thousand, twenty-three".