23012133213 has 12 divisors (see below), whose sum is σ = 32074884800. Its totient is φ = 14674402776.

The previous prime is 23012133163. The next prime is 23012133217. The reversal of 23012133213 is 31233121032.

It is not a de Polignac number, because 23012133213 - 2⁶ = 23012133149 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 23012133213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23012133217) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7248613 + ... + 7251786.

Almost surely, 2^23012133213 is an apocalyptic number.

23012133213 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

23012133213 is a deficient number, since it is larger than the sum of its proper divisors (9062751587).

23012133213 is a wasteful number, since it uses less digits than its factorization.

23012133213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14500448 (or 14500425 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 23012133213 its reverse (31233121032), we get a palindrome (54245254245).

The spelling of 23012133213 in words is "twenty-three billion, twelve million, one hundred thirty-three thousand, two hundred thirteen".