23124991873 has 2 divisors, whose sum is σ = 23124991874. Its totient is φ = 23124991872.

The previous prime is 23124991861. The next prime is 23124991933. The reversal of 23124991873 is 37819942132.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21429446544 + 1695545329 = 146388^2 + 41177^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23124991873 is a prime.

It is not a weakly prime, because it can be changed into another prime (23124991073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11562495936 + 11562495937.

It is an arithmetic number, because the mean of its divisors is an integer number (11562495937).

Almost surely, 2^23124991873 is an apocalyptic number.

It is an amenable number.

23124991873 is a deficient number, since it is larger than the sum of its proper divisors (1).

23124991873 is an equidigital number, since it uses as much as digits as its factorization.

23124991873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 653184, while the sum is 49.

The spelling of 23124991873 in words is "twenty-three billion, one hundred twenty-four million, nine hundred ninety-one thousand, eight hundred seventy-three".