12699000023 has 2 divisors, whose sum is σ = 12699000024. Its totient is φ = 12699000022.

The previous prime is 12699000019. The next prime is 12699000059. The reversal of 12699000023 is 32000099621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12699000023 - 2² = 12699000019 is a prime.

It is a super-2 number, since 2×12699000023² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12699300023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6349500011 + 6349500012.

It is an arithmetic number, because the mean of its divisors is an integer number (6349500012).

Almost surely, 2^12699000023 is an apocalyptic number.

12699000023 is a deficient number, since it is larger than the sum of its proper divisors (1).

12699000023 is an equidigital number, since it uses as much as digits as its factorization.

12699000023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 32.

Adding to 12699000023 its reverse (32000099621), we get a palindrome (44699099644).

The spelling of 12699000023 in words is "twelve billion, six hundred ninety-nine million, twenty-three", and thus it is an aban number.