23162306722501 has 2 divisors, whose sum is σ = 23162306722502. Its totient is φ = 23162306722500.

The previous prime is 23162306722469. The next prime is 23162306722517. The reversal of 23162306722501 is 10522760326132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16439700068100 + 6722606654401 = 4054590^2 + 2592799^2 .

It is a cyclic number.

It is not a de Polignac number, because 23162306722501 - 2⁵ = 23162306722469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23162306728501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11581153361250 + 11581153361251.

It is an arithmetic number, because the mean of its divisors is an integer number (11581153361251).

Almost surely, 2^{23162306722501} is an apocalyptic number.

It is an amenable number.

23162306722501 is a deficient number, since it is larger than the sum of its proper divisors (1).

23162306722501 is an equidigital number, since it uses as much as digits as its factorization.

23162306722501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 40.

The spelling of 23162306722501 in words is "twenty-three trillion, one hundred sixty-two billion, three hundred six million, seven hundred twenty-two thousand, five hundred one".