23031996017929 has 2 divisors, whose sum is σ = 23031996017930. Its totient is φ = 23031996017928.

The previous prime is 23031996017909. The next prime is 23031996017957. The reversal of 23031996017929 is 92971069913032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22708303294329 + 323692723600 = 4765323^2 + 568940^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23031996017929 is a prime.

It is not a weakly prime, because it can be changed into another prime (23031996017909) 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, 11515998008964 + 11515998008965.

It is an arithmetic number, because the mean of its divisors is an integer number (11515998008965).

Almost surely, 2^{23031996017929} is an apocalyptic number.

It is an amenable number.

23031996017929 is a deficient number, since it is larger than the sum of its proper divisors (1).

23031996017929 is an equidigital number, since it uses as much as digits as its factorization.

23031996017929 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9920232, while the sum is 61.

The spelling of 23031996017929 in words is "twenty-three trillion, thirty-one billion, nine hundred ninety-six million, seventeen thousand, nine hundred twenty-nine".