123255424541321 has 8 divisors (see below), whose sum is σ = 127506019638600. Its totient is φ = 119004856647040.

The previous prime is 123255424541317. The next prime is 123255424541329. The reversal of 123255424541321 is 123145424552321.

It can be written as a sum of positive squares in 4 ways, for example, as 27044534590096 + 96210889951225 = 5200436^2 + 9808715^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 123255424541321 - 2² = 123255424541317 is a prime.

It is a super-2 number, since 2×123255424541321² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123255424541329) 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, 2639531 + ... + 15920991.

It is an arithmetic number, because the mean of its divisors is an integer number (15938252454825).

Almost surely, 2^{123255424541321} is an apocalyptic number.

It is an amenable number.

123255424541321 is a deficient number, since it is larger than the sum of its proper divisors (4250595097279).

123255424541321 is a wasteful number, since it uses less digits than its factorization.

123255424541321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13601499.

The product of its digits is 1152000, while the sum is 44.

The spelling of 123255424541321 in words is "one hundred twenty-three trillion, two hundred fifty-five billion, four hundred twenty-four million, five hundred forty-one thousand, three hundred twenty-one".