23010909 has 4 divisors (see below), whose sum is σ = 30681216. Its totient is φ = 15340604.

The previous prime is 23010899. The next prime is 23010913. The reversal of 23010909 is 90901032.

It is a happy number.

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 23010909 - 2⁴ = 23010893 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23010989) 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, 3835149 + ... + 3835154.

It is an arithmetic number, because the mean of its divisors is an integer number (7670304).

Almost surely, 2^23010909 is an apocalyptic number.

It is an amenable number.

23010909 is a deficient number, since it is larger than the sum of its proper divisors (7670307).

23010909 is an equidigital number, since it uses as much as digits as its factorization.

23010909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7670306.

The product of its (nonzero) digits is 486, while the sum is 24.

The square root of 23010909 is about 4796.9687303546. The cubic root of 23010909 is about 284.4316528276.

The spelling of 23010909 in words is "twenty-three million, ten thousand, nine hundred nine".