231123231332 has 48 divisors (see below), whose sum is σ = 489489557760. Its totient is φ = 93216248832.

The previous prime is 231123231329. The next prime is 231123231337. The reversal of 231123231332 is 233132321132.

It is a super-3 number, since 3×231123231332³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (231123231337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5848913 + ... + 5888295.

It is an arithmetic number, because the mean of its divisors is an integer number (10197699120).

Almost surely, 2^231123231332 is an apocalyptic number.

It is an amenable number.

231123231332 is an abundant number, since it is smaller than the sum of its proper divisors (258366326428).

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

231123231332 is a wasteful number, since it uses less digits than its factorization.

231123231332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51740 (or 51738 counting only the distinct ones).

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

Adding to 231123231332 its reverse (233132321132), we get a palindrome (464255552464).

The spelling of 231123231332 in words is "two hundred thirty-one billion, one hundred twenty-three million, two hundred thirty-one thousand, three hundred thirty-two".