122723056057 has 8 divisors (see below), whose sum is σ = 140271044096. Its totient is φ = 105179098752.

The previous prime is 122723056019. The next prime is 122723056087. The reversal of 122723056057 is 750650327221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 122723056057 - 2⁷ = 122723055929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122723056087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 942153 + ... + 1064470.

It is an arithmetic number, because the mean of its divisors is an integer number (17533880512).

Almost surely, 2^122723056057 is an apocalyptic number.

It is an amenable number.

122723056057 is a deficient number, since it is larger than the sum of its proper divisors (17547988039).

122723056057 is an equidigital number, since it uses as much as digits as its factorization.

122723056057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2015367.

The product of its (nonzero) digits is 176400, while the sum is 40.

The spelling of 122723056057 in words is "one hundred twenty-two billion, seven hundred twenty-three million, fifty-six thousand, fifty-seven".