23440240132 has 24 divisors (see below), whose sum is σ = 41160208320. Its totient is φ = 11680222560.

The previous prime is 23440240123. The next prime is 23440240133. The reversal of 23440240132 is 23104204432.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 23440240097 and 23440240106.

It is not an unprimeable number, because it can be changed into a prime (23440240133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2883738 + ... + 2891854.

It is an arithmetic number, because the mean of its divisors is an integer number (1715008680).

Almost surely, 2^23440240132 is an apocalyptic number.

It is an amenable number.

23440240132 is a deficient number, since it is larger than the sum of its proper divisors (17719968188).

23440240132 is a wasteful number, since it uses less digits than its factorization.

23440240132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10491 (or 10489 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 23440240132 its reverse (23104204432), we get a palindrome (46544444564).

The spelling of 23440240132 in words is "twenty-three billion, four hundred forty million, two hundred forty thousand, one hundred thirty-two".