123231121132 has 24 divisors (see below), whose sum is σ = 246613816064. Its totient is φ = 52780857552.

The previous prime is 123231121099. The next prime is 123231121151. The reversal of 123231121132 is 231121132321.

It is a super-2 number, since 2×123231121132² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1306968 + ... + 1398079.

Almost surely, 2^123231121132 is an apocalyptic number.

It is an amenable number.

123231121132 is an abundant number, since it is smaller than the sum of its proper divisors (123382694932).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123231121132 is a wasteful number, since it uses less digits than its factorization.

123231121132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2706685 (or 2706683 counting only the distinct ones).

The product of its digits is 432, while the sum is 22.

Adding to 123231121132 its reverse (231121132321), we get a palindrome (354352253453).

The spelling of 123231121132 in words is "one hundred twenty-three billion, two hundred thirty-one million, one hundred twenty-one thousand, one hundred thirty-two".