23201132312 has 32 divisors (see below), whose sum is σ = 43792358400. Its totient is φ = 11523265824.

The previous prime is 23201132299. The next prime is 23201132321. The reversal of 23201132312 is 21323110232.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2296889 + ... + 2306967.

It is an arithmetic number, because the mean of its divisors is an integer number (1368511200).

Almost surely, 2^23201132312 is an apocalyptic number.

It is an amenable number.

23201132312 is a deficient number, since it is larger than the sum of its proper divisors (20591226088).

23201132312 is a wasteful number, since it uses less digits than its factorization.

23201132312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11975 (or 11971 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 23201132312 its reverse (21323110232), we get a palindrome (44524242544).

The spelling of 23201132312 in words is "twenty-three billion, two hundred one million, one hundred thirty-two thousand, three hundred twelve".