23751722923 has 2 divisors, whose sum is σ = 23751722924. Its totient is φ = 23751722922.

The previous prime is 23751722861. The next prime is 23751723011. The reversal of 23751722923 is 32922715732.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23751722923 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23751722923.

It is not a weakly prime, because it can be changed into another prime (23751722623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11875861461 + 11875861462.

It is an arithmetic number, because the mean of its divisors is an integer number (11875861462).

Almost surely, 2^23751722923 is an apocalyptic number.

23751722923 is a deficient number, since it is larger than the sum of its proper divisors (1).

23751722923 is an equidigital number, since it uses as much as digits as its factorization.

23751722923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 317520, while the sum is 43.

The spelling of 23751722923 in words is "twenty-three billion, seven hundred fifty-one million, seven hundred twenty-two thousand, nine hundred twenty-three".