23112340432 has 20 divisors (see below), whose sum is σ = 44799426180. Its totient is φ = 11551198208.

The previous prime is 23112340421. The next prime is 23112340451. The reversal of 23112340432 is 23404321132.

It can be written as a sum of positive squares in 2 ways, for example, as 8646024256 + 14466316176 = 92984^2 + 120276^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23112340397 and 23112340406.

It is a congruent number.

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, 272257 + ... + 346912.

It is an arithmetic number, because the mean of its divisors is an integer number (2239971309).

Almost surely, 2^23112340432 is an apocalyptic number.

It is an amenable number.

23112340432 is a deficient number, since it is larger than the sum of its proper divisors (21687085748).

23112340432 is a wasteful number, since it uses less digits than its factorization.

23112340432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621510 (or 621504 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 23112340432 its reverse (23404321132), we get a palindrome (46516661564).

The spelling of 23112340432 in words is "twenty-three billion, one hundred twelve million, three hundred forty thousand, four hundred thirty-two".