23231140032 has 28 divisors (see below), whose sum is σ = 61465725176. Its totient is φ = 7743713280.

The previous prime is 23231140027. The next prime is 23231140063. The reversal of 23231140032 is 23004113232.

It is a super-2 number, since 2×23231140032² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23231139990 and 23231140008.

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, 60497569 + ... + 60497952.

Almost surely, 2^23231140032 is an apocalyptic number.

It is an amenable number.

23231140032 is an abundant number, since it is smaller than the sum of its proper divisors (38234585144).

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

23231140032 is a wasteful number, since it uses less digits than its factorization.

23231140032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120995536 (or 120995526 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 23231140032 its reverse (23004113232), we get a palindrome (46235253264).

The spelling of 23231140032 in words is "twenty-three billion, two hundred thirty-one million, one hundred forty thousand, thirty-two".