23673175021 has 2 divisors, whose sum is σ = 23673175022. Its totient is φ = 23673175020.

The previous prime is 23673174989. The next prime is 23673175027. The reversal of 23673175021 is 12057137632.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18438652521 + 5234522500 = 135789^2 + 72350^2 .

It is a cyclic number.

It is not a de Polignac number, because 23673175021 - 2⁵ = 23673174989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23673175027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11836587510 + 11836587511.

It is an arithmetic number, because the mean of its divisors is an integer number (11836587511).

Almost surely, 2^23673175021 is an apocalyptic number.

It is an amenable number.

23673175021 is a deficient number, since it is larger than the sum of its proper divisors (1).

23673175021 is an equidigital number, since it uses as much as digits as its factorization.

23673175021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52920, while the sum is 37.

The spelling of 23673175021 in words is "twenty-three billion, six hundred seventy-three million, one hundred seventy-five thousand, twenty-one".