123312331232 has 24 divisors (see below), whose sum is σ = 242793088776. Its totient is φ = 61650594432.

The previous prime is 123312331229. The next prime is 123312331249. The reversal of 123312331232 is 232133213321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 197798 + ... + 534554.

It is an arithmetic number, because the mean of its divisors is an integer number (10116378699).

Almost surely, 2^123312331232 is an apocalyptic number.

It is an amenable number.

123312331232 is a deficient number, since it is larger than the sum of its proper divisors (119480757544).

123312331232 is a wasteful number, since it uses less digits than its factorization.

123312331232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348210 (or 348202 counting only the distinct ones).

The product of its digits is 3888, while the sum is 26.

Adding to 123312331232 its reverse (232133213321), we get a palindrome (355445544553).

The spelling of 123312331232 in words is "one hundred twenty-three billion, three hundred twelve million, three hundred thirty-one thousand, two hundred thirty-two".