123231333133 has 24 divisors (see below), whose sum is σ = 131550806592. Its totient is φ = 115413264384.

The previous prime is 123231333119. The next prime is 123231333139. The reversal of 123231333133 is 331333132321.

It is not a de Polignac number, because 123231333133 - 2²⁵ = 123197778701 is a prime.

It is a super-2 number, since 2×123231333133² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123231333139) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66004066 + ... + 66005932.

It is an arithmetic number, because the mean of its divisors is an integer number (5481283608).

Almost surely, 2^123231333133 is an apocalyptic number.

It is an amenable number.

123231333133 is a deficient number, since it is larger than the sum of its proper divisors (8319473459).

123231333133 is a wasteful number, since it uses less digits than its factorization.

123231333133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2901 (or 2884 counting only the distinct ones).

The product of its digits is 8748, while the sum is 28.

Adding to 123231333133 its reverse (331333132321), we get a palindrome (454564465454).

The spelling of 123231333133 in words is "one hundred twenty-three billion, two hundred thirty-one million, three hundred thirty-three thousand, one hundred thirty-three".