23834609 has 4 divisors (see below), whose sum is σ = 23846400. Its totient is φ = 23822820.

The previous prime is 23834597. The next prime is 23834611. The reversal of 23834609 is 90643832.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 23834609 - 2⁸ = 23834353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23834639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2009 + ... + 7190.

It is an arithmetic number, because the mean of its divisors is an integer number (5961600).

Almost surely, 2^23834609 is an apocalyptic number.

It is an amenable number.

23834609 is a deficient number, since it is larger than the sum of its proper divisors (11791).

23834609 is an equidigital number, since it uses as much as digits as its factorization.

23834609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11790.

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

The square root of 23834609 is about 4882.0701551698. The cubic root of 23834609 is about 287.7857886602.

The spelling of 23834609 in words is "twenty-three million, eight hundred thirty-four thousand, six hundred nine".