23009222779 has 4 divisors (see below), whose sum is σ = 23013808576. Its totient is φ = 23004636984.

The previous prime is 23009222771. The next prime is 23009222801. The reversal of 23009222779 is 97722290032.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23009222779 - 2³ = 23009222771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23009222771) 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, 2285364 + ... + 2295409.

It is an arithmetic number, because the mean of its divisors is an integer number (5753452144).

Almost surely, 2^23009222779 is an apocalyptic number.

23009222779 is a deficient number, since it is larger than the sum of its proper divisors (4585797).

23009222779 is an equidigital number, since it uses as much as digits as its factorization.

23009222779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4585796.

The product of its (nonzero) digits is 190512, while the sum is 43.

The spelling of 23009222779 in words is "twenty-three billion, nine million, two hundred twenty-two thousand, seven hundred seventy-nine".