23012113133 has 8 divisors (see below), whose sum is σ = 23259853080. Its totient is φ = 22765654080.

The previous prime is 23012113123. The next prime is 23012113139. The reversal of 23012113133 is 33131121032.

It can be written as a sum of positive squares in 4 ways, for example, as 744907849 + 22267205284 = 27293^2 + 149222^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23012113133 - 2¹⁸ = 23011850989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23012113139) 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, 284078 + ... + 355983.

It is an arithmetic number, because the mean of its divisors is an integer number (2907481635).

Almost surely, 2^23012113133 is an apocalyptic number.

It is an amenable number.

23012113133 is a deficient number, since it is larger than the sum of its proper divisors (247739947).

23012113133 is a wasteful number, since it uses less digits than its factorization.

23012113133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640447.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 23012113133 its reverse (33131121032), we get a palindrome (56143234165).

The spelling of 23012113133 in words is "twenty-three billion, twelve million, one hundred thirteen thousand, one hundred thirty-three".