23109907 has 4 divisors (see below), whose sum is σ = 23174640. Its totient is φ = 23045176.

The previous prime is 23109893. The next prime is 23109913. The reversal of 23109907 is 70990132.

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 23109907 - 2¹⁵ = 23077139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23109407) 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, 31828 + ... + 32545.

It is an arithmetic number, because the mean of its divisors is an integer number (5793660).

Almost surely, 2^23109907 is an apocalyptic number.

23109907 is a deficient number, since it is larger than the sum of its proper divisors (64733).

23109907 is an equidigital number, since it uses as much as digits as its factorization.

23109907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64732.

The product of its (nonzero) digits is 3402, while the sum is 31.

The square root of 23109907 is about 4807.2764638618. The cubic root of 23109907 is about 284.8389651467.

The spelling of 23109907 in words is "twenty-three million, one hundred nine thousand, nine hundred seven".