23507160991 has 2 divisors, whose sum is σ = 23507160992. Its totient is φ = 23507160990.

The previous prime is 23507160979. The next prime is 23507161039. The reversal of 23507160991 is 19906170532.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23507160991 - 2⁷ = 23507160863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23507163991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11753580495 + 11753580496.

It is an arithmetic number, because the mean of its divisors is an integer number (11753580496).

Almost surely, 2^23507160991 is an apocalyptic number.

23507160991 is a deficient number, since it is larger than the sum of its proper divisors (1).

23507160991 is an equidigital number, since it uses as much as digits as its factorization.

23507160991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 102060, while the sum is 43.

The spelling of 23507160991 in words is "twenty-three billion, five hundred seven million, one hundred sixty thousand, nine hundred ninety-one".