123332113431 has 48 divisors (see below), whose sum is σ = 188362181280. Its totient is φ = 79753766400.

The previous prime is 123332113379. The next prime is 123332113453. The reversal of 123332113431 is 134311233321.

123332113431 is a `hidden beast` number, since 12 + 3 + 3 + 3 + 211 + 3 + 431 = 666.

It is not a de Polignac number, because 123332113431 - 2¹⁷ = 123331982359 is a prime.

It is a super-2 number, since 2×123332113431² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 123332113395 and 123332113404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123332113481) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12451581 + ... + 12461481.

It is an arithmetic number, because the mean of its divisors is an integer number (3924212110).

Almost surely, 2^123332113431 is an apocalyptic number.

123332113431 is a deficient number, since it is larger than the sum of its proper divisors (65030067849).

123332113431 is an equidigital number, since it uses as much as digits as its factorization.

123332113431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10321 (or 10278 counting only the distinct ones).

The product of its digits is 3888, while the sum is 27.

Adding to 123332113431 its reverse (134311233321), we get a palindrome (257643346752).

It can be divided in two parts, 12333 and 2113431, that added together give a square (2125764 = 1458²).

The spelling of 123332113431 in words is "one hundred twenty-three billion, three hundred thirty-two million, one hundred thirteen thousand, four hundred thirty-one".