122553255723 has 4 divisors (see below), whose sum is σ = 163404340968. Its totient is φ = 81702170480.

The previous prime is 122553255709. The next prime is 122553255763. The reversal of 122553255723 is 327552355221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 122553255723 - 2⁵ = 122553255691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122553255763) 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 in 3 ways as a sum of consecutive naturals, for example, 20425542618 + ... + 20425542623.

It is an arithmetic number, because the mean of its divisors is an integer number (40851085242).

Almost surely, 2^122553255723 is an apocalyptic number.

122553255723 is a deficient number, since it is larger than the sum of its proper divisors (40851085245).

122553255723 is an equidigital number, since it uses as much as digits as its factorization.

122553255723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40851085244.

The product of its digits is 630000, while the sum is 42.

The spelling of 122553255723 in words is "one hundred twenty-two billion, five hundred fifty-three million, two hundred fifty-five thousand, seven hundred twenty-three".