23313220109 has 4 divisors (see below), whose sum is σ = 23314852704. Its totient is φ = 23311587516.

The previous prime is 23313220093. The next prime is 23313220111. The reversal of 23313220109 is 90102231332.

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 23313220109 - 2⁴ = 23313220093 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23313220159) 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, 794687 + ... + 823500.

It is an arithmetic number, because the mean of its divisors is an integer number (5828713176).

Almost surely, 2^23313220109 is an apocalyptic number.

It is an amenable number.

23313220109 is a deficient number, since it is larger than the sum of its proper divisors (1632595).

23313220109 is a wasteful number, since it uses less digits than its factorization.

23313220109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1632594.

The product of its (nonzero) digits is 1944, while the sum is 26.

The spelling of 23313220109 in words is "twenty-three billion, three hundred thirteen million, two hundred twenty thousand, one hundred nine".