23042809672931 has 2 divisors, whose sum is σ = 23042809672932. Its totient is φ = 23042809672930.

The previous prime is 23042809672853. The next prime is 23042809673099. The reversal of 23042809672931 is 13927690824032.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23042809672931 is a prime.

It is a super-2 number, since 2×23042809672931² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23042809677931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11521404836465 + 11521404836466.

It is an arithmetic number, because the mean of its divisors is an integer number (11521404836466).

Almost surely, 2^{23042809672931} is an apocalyptic number.

23042809672931 is a deficient number, since it is larger than the sum of its proper divisors (1).

23042809672931 is an equidigital number, since it uses as much as digits as its factorization.

23042809672931 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7838208, while the sum is 56.

The spelling of 23042809672931 in words is "twenty-three trillion, forty-two billion, eight hundred nine million, six hundred seventy-two thousand, nine hundred thirty-one".