23133032012 has 12 divisors (see below), whose sum is σ = 40937669640. Its totient is φ = 11436554976.

The previous prime is 23133031969. The next prime is 23133032017. The reversal of 23133032012 is 21023033132.

It is not an unprimeable number, because it can be changed into a prime (23133032017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32489858 + ... + 32490569.

It is an arithmetic number, because the mean of its divisors is an integer number (3411472470).

Almost surely, 2^23133032012 is an apocalyptic number.

It is an amenable number.

23133032012 is a deficient number, since it is larger than the sum of its proper divisors (17804637628).

23133032012 is a wasteful number, since it uses less digits than its factorization.

23133032012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64980520 (or 64980518 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 23133032012 its reverse (21023033132), we get a palindrome (44156065144).

The spelling of 23133032012 in words is "twenty-three billion, one hundred thirty-three million, thirty-two thousand, twelve".