23449913 has 4 divisors (see below), whose sum is σ = 23517840. Its totient is φ = 23381988.

The previous prime is 23449889. The next prime is 23449927. The reversal of 23449913 is 31994432.

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 23449913 - 2⁶ = 23449849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23449813) 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, 33443 + ... + 34136.

It is an arithmetic number, because the mean of its divisors is an integer number (5879460).

Almost surely, 2^23449913 is an apocalyptic number.

It is an amenable number.

23449913 is a deficient number, since it is larger than the sum of its proper divisors (67927).

23449913 is an equidigital number, since it uses as much as digits as its factorization.

23449913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67926.

The product of its digits is 23328, while the sum is 35.

The square root of 23449913 is about 4842.5110221867. The cubic root of 23449913 is about 286.2290738120.

The spelling of 23449913 in words is "twenty-three million, four hundred forty-nine thousand, nine hundred thirteen".