123213321132 has 48 divisors (see below), whose sum is σ = 319551547392. Its totient is φ = 36632889280.

The previous prime is 123213321113. The next prime is 123213321193. The reversal of 123213321132 is 231123312321.

It is a super-2 number, since 2×123213321132² (a number of 23 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8798988 + ... + 8812979.

It is an arithmetic number, because the mean of its divisors is an integer number (6657323904).

Almost surely, 2^123213321132 is an apocalyptic number.

123213321132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123213321132 is an abundant number, since it is smaller than the sum of its proper divisors (196338226260).

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

123213321132 is a wasteful number, since it uses less digits than its factorization.

123213321132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17612038 (or 17612036 counting only the distinct ones).

The product of its digits is 1296, while the sum is 24.

Adding to 123213321132 its reverse (231123312321), we get a palindrome (354336633453).

The spelling of 123213321132 in words is "one hundred twenty-three billion, two hundred thirteen million, three hundred twenty-one thousand, one hundred thirty-two".