122688023 has 2 divisors, whose sum is σ = 122688024. Its totient is φ = 122688022.

The previous prime is 122688011. The next prime is 122688037. The reversal of 122688023 is 320886221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122688023 - 2⁸ = 122687767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122688043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61344011 + 61344012.

It is an arithmetic number, because the mean of its divisors is an integer number (61344012).

Almost surely, 2^122688023 is an apocalyptic number.

122688023 is a deficient number, since it is larger than the sum of its proper divisors (1).

122688023 is an equidigital number, since it uses as much as digits as its factorization.

122688023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 122688023 is about 11076.4625670834. The cubic root of 122688023 is about 496.8981609815.

The spelling of 122688023 in words is "one hundred twenty-two million, six hundred eighty-eight thousand, twenty-three".