123255848552321 has 12 divisors (see below), whose sum is σ = 129677738937600. Its totient is φ = 117029290082640.

The previous prime is 123255848552269. The next prime is 123255848552341.

It is a happy number.

123255848552321 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 123255848552321 - 2¹⁸ = 123255848290177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123255848552341) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 707637221 + ... + 707811378.

It is an arithmetic number, because the mean of its divisors is an integer number (10806478244800).

Almost surely, 2^{123255848552321} is an apocalyptic number.

It is an amenable number.

123255848552321 is a deficient number, since it is larger than the sum of its proper divisors (6421890385279).

123255848552321 is an equidigital number, since it uses as much as digits as its factorization.

123255848552321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1415448736 (or 1415448683 counting only the distinct ones).

The product of its digits is 23040000, while the sum is 56.

The spelling of 123255848552321 in words is "one hundred twenty-three trillion, two hundred fifty-five billion, eight hundred forty-eight million, five hundred fifty-two thousand, three hundred twenty-one".