23368409 has 4 divisors (see below), whose sum is σ = 23422080. Its totient is φ = 23314740.

The previous prime is 23368379. The next prime is 23368417. The reversal of 23368409 is 90486332.

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 23368409 - 2⁸ = 23368153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23368439) 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, 26177 + ... + 27054.

It is an arithmetic number, because the mean of its divisors is an integer number (5855520).

Almost surely, 2^23368409 is an apocalyptic number.

It is an amenable number.

23368409 is a deficient number, since it is larger than the sum of its proper divisors (53671).

23368409 is an equidigital number, since it uses as much as digits as its factorization.

23368409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53670.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 23368409 is about 4834.0882284046. The cubic root of 23368409 is about 285.8970769237.

The spelling of 23368409 in words is "twenty-three million, three hundred sixty-eight thousand, four hundred nine".