122561323 has 2 divisors, whose sum is σ = 122561324. Its totient is φ = 122561322.

The previous prime is 122561317. The next prime is 122561339. The reversal of 122561323 is 323165221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122561323 - 2²⁵ = 89006891 is a prime.

It is not a weakly prime, because it can be changed into another prime (122561303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61280661 + 61280662.

It is an arithmetic number, because the mean of its divisors is an integer number (61280662).

Almost surely, 2^122561323 is an apocalyptic number.

122561323 is a deficient number, since it is larger than the sum of its proper divisors (1).

122561323 is an equidigital number, since it uses as much as digits as its factorization.

122561323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 25.

The square root of 122561323 is about 11070.7417547335. The cubic root of 122561323 is about 496.7270530504.

The spelling of 122561323 in words is "one hundred twenty-two million, five hundred sixty-one thousand, three hundred twenty-three".