23172437460377 has 2 divisors, whose sum is σ = 23172437460378. Its totient is φ = 23172437460376.

The previous prime is 23172437460307. The next prime is 23172437460397. The reversal of 23172437460377 is 77306473427132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22358248859401 + 814188600976 = 4728451^2 + 902324^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23172437460377 is a prime.

It is not a weakly prime, because it can be changed into another prime (23172437460307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11586218730188 + 11586218730189.

It is an arithmetic number, because the mean of its divisors is an integer number (11586218730189).

Almost surely, 2^{23172437460377} is an apocalyptic number.

It is an amenable number.

23172437460377 is a deficient number, since it is larger than the sum of its proper divisors (1).

23172437460377 is an equidigital number, since it uses as much as digits as its factorization.

23172437460377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24893568, while the sum is 56.

The spelling of 23172437460377 in words is "twenty-three trillion, one hundred seventy-two billion, four hundred thirty-seven million, four hundred sixty thousand, three hundred seventy-seven".