23137644323 has 2 divisors, whose sum is σ = 23137644324. Its totient is φ = 23137644322.

The previous prime is 23137644319. The next prime is 23137644389. The reversal of 23137644323 is 32344673132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23137644323 - 2² = 23137644319 is a prime.

It is not a weakly prime, because it can be changed into another prime (23137644823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11568822161 + 11568822162.

It is an arithmetic number, because the mean of its divisors is an integer number (11568822162).

Almost surely, 2^23137644323 is an apocalyptic number.

23137644323 is a deficient number, since it is larger than the sum of its proper divisors (1).

23137644323 is an equidigital number, since it uses as much as digits as its factorization.

23137644323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 38.

The spelling of 23137644323 in words is "twenty-three billion, one hundred thirty-seven million, six hundred forty-four thousand, three hundred twenty-three".