23231344132 has 12 divisors (see below), whose sum is σ = 40682500096. Its totient is φ = 11607772680.

The previous prime is 23231344117. The next prime is 23231344159. The reversal of 23231344132 is 23144313232.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 23231344132.

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, 1968228 + ... + 1979995.

Almost surely, 2^23231344132 is an apocalyptic number.

It is an amenable number.

23231344132 is a deficient number, since it is larger than the sum of its proper divisors (17451155964).

23231344132 is a wasteful number, since it uses less digits than its factorization.

23231344132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3949698 (or 3949696 counting only the distinct ones).

The product of its digits is 10368, while the sum is 28.

Adding to 23231344132 its reverse (23144313232), we get a palindrome (46375657364).

The spelling of 23231344132 in words is "twenty-three billion, two hundred thirty-one million, three hundred forty-four thousand, one hundred thirty-two".