23449109 has 4 divisors (see below), whose sum is σ = 23511360. Its totient is φ = 23386860.

The previous prime is 23449087. The next prime is 23449123. The reversal of 23449109 is 90194432.

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 23449109 - 2⁸ = 23448853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23449159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30557 + ... + 31314.

It is an arithmetic number, because the mean of its divisors is an integer number (5877840).

Almost surely, 2^23449109 is an apocalyptic number.

It is an amenable number.

23449109 is a deficient number, since it is larger than the sum of its proper divisors (62251).

23449109 is an equidigital number, since it uses as much as digits as its factorization.

23449109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62250.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 23449109 is about 4842.4280066925. The cubic root of 23449109 is about 286.2258025731.

The spelling of 23449109 in words is "twenty-three million, four hundred forty-nine thousand, one hundred nine".