123522079 has 2 divisors, whose sum is σ = 123522080. Its totient is φ = 123522078.

The previous prime is 123522041. The next prime is 123522083. The reversal of 123522079 is 970225321.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123522079 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123522079.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123522019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61761039 + 61761040.

It is an arithmetic number, because the mean of its divisors is an integer number (61761040).

Almost surely, 2^123522079 is an apocalyptic number.

123522079 is a deficient number, since it is larger than the sum of its proper divisors (1).

123522079 is an equidigital number, since it uses as much as digits as its factorization.

123522079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 123522079 is about 11114.0487222254. The cubic root of 123522079 is about 498.0216210244.

The spelling of 123522079 in words is "one hundred twenty-three million, five hundred twenty-two thousand, seventy-nine".