123255422331 has 16 divisors (see below), whose sum is σ = 165762135168. Its totient is φ = 81462528000.

The previous prime is 123255422321. The next prime is 123255422351. The reversal of 123255422331 is 133224552321.

It is not a de Polignac number, because 123255422331 - 2⁷ = 123255422203 is a prime.

It is a super-2 number, since 2×123255422331² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123255422292 and 123255422301.

It is not an unprimeable number, because it can be changed into a prime (123255422321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 216145 + ... + 541506.

It is an arithmetic number, because the mean of its divisors is an integer number (10360133448).

Almost surely, 2^123255422331 is an apocalyptic number.

123255422331 is a deficient number, since it is larger than the sum of its proper divisors (42506712837).

123255422331 is a wasteful number, since it uses less digits than its factorization.

123255422331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758122.

The product of its digits is 43200, while the sum is 33.

Adding to 123255422331 its reverse (133224552321), we get a palindrome (256479974652).

The spelling of 123255422331 in words is "one hundred twenty-three billion, two hundred fifty-five million, four hundred twenty-two thousand, three hundred thirty-one".