123234442331 has 48 divisors (see below), whose sum is σ = 178323314400. Its totient is φ = 83425950720.

The previous prime is 123234442327. The next prime is 123234442337. The reversal of 123234442331 is 133244432321.

It is not a de Polignac number, because 123234442331 - 2² = 123234442327 is a prime.

It is a super-2 number, since 2×123234442331² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123234442337) 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 47 ways as a sum of consecutive naturals, for example, 398156 + ... + 636393.

It is an arithmetic number, because the mean of its divisors is an integer number (3715069050).

Almost surely, 2^123234442331 is an apocalyptic number.

123234442331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

123234442331 is a deficient number, since it is larger than the sum of its proper divisors (55088872069).

123234442331 is a wasteful number, since it uses less digits than its factorization.

123234442331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1034604 (or 1034597 counting only the distinct ones).

The product of its digits is 41472, while the sum is 32.

Adding to 123234442331 its reverse (133244432321), we get a palindrome (256478874652).

It can be divided in two parts, 123234 and 442331, that added together give a palindrome (565565).

The spelling of 123234442331 in words is "one hundred twenty-three billion, two hundred thirty-four million, four hundred forty-two thousand, three hundred thirty-one".