23173134157651 has 2 divisors, whose sum is σ = 23173134157652. Its totient is φ = 23173134157650.

The previous prime is 23173134157637. The next prime is 23173134157699. The reversal of 23173134157651 is 15675143137132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23173134157651 - 2⁵ = 23173134157619 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23173134157595 and 23173134157604.

It is not a weakly prime, because it can be changed into another prime (23173134157051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11586567078825 + 11586567078826.

It is an arithmetic number, because the mean of its divisors is an integer number (11586567078826).

Almost surely, 2^{23173134157651} is an apocalyptic number.

23173134157651 is a deficient number, since it is larger than the sum of its proper divisors (1).

23173134157651 is an equidigital number, since it uses as much as digits as its factorization.

23173134157651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1587600, while the sum is 49.

The spelling of 23173134157651 in words is "twenty-three trillion, one hundred seventy-three billion, one hundred thirty-four million, one hundred fifty-seven thousand, six hundred fifty-one".