23266609 has 4 divisors (see below), whose sum is σ = 23342704. Its totient is φ = 23190516.

The previous prime is 23266603. The next prime is 23266637. The reversal of 23266609 is 90666232.

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 23266609 - 2³ = 23266601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23266601) 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, 37587 + ... + 38200.

It is an arithmetic number, because the mean of its divisors is an integer number (5835676).

Almost surely, 2^23266609 is an apocalyptic number.

It is an amenable number.

23266609 is a deficient number, since it is larger than the sum of its proper divisors (76095).

23266609 is an equidigital number, since it uses as much as digits as its factorization.

23266609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76094.

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 23266609 is about 4823.5473460929. The cubic root of 23266609 is about 285.4813206566.

The spelling of 23266609 in words is "twenty-three million, two hundred sixty-six thousand, six hundred nine".