23091045013 has 4 divisors (see below), whose sum is σ = 23306849280. Its totient is φ = 22875240748.

The previous prime is 23091045007. The next prime is 23091045023. The reversal of 23091045013 is 31054019032.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23091045013 - 2²⁵ = 23057490581 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 (23091045023) 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, 107901973 + ... + 107902186.

It is an arithmetic number, because the mean of its divisors is an integer number (5826712320).

Almost surely, 2^23091045013 is an apocalyptic number.

It is an amenable number.

23091045013 is a deficient number, since it is larger than the sum of its proper divisors (215804267).

23091045013 is a wasteful number, since it uses less digits than its factorization.

23091045013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215804266.

The product of its (nonzero) digits is 3240, while the sum is 28.

The spelling of 23091045013 in words is "twenty-three billion, ninety-one million, forty-five thousand, thirteen".