23319039 has 4 divisors (see below), whose sum is σ = 31092056. Its totient is φ = 15546024.

The previous prime is 23319017. The next prime is 23319041. The reversal of 23319039 is 93091332.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 23319039 - 2⁵ = 23319007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23318997 and 23319015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23319059) 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, 3886504 + ... + 3886509.

It is an arithmetic number, because the mean of its divisors is an integer number (7773014).

Almost surely, 2^23319039 is an apocalyptic number.

23319039 is a deficient number, since it is larger than the sum of its proper divisors (7773017).

23319039 is an equidigital number, since it uses as much as digits as its factorization.

23319039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7773016.

The product of its (nonzero) digits is 4374, while the sum is 30.

The square root of 23319039 is about 4828.9790846513. The cubic root of 23319039 is about 285.6955985040.

The spelling of 23319039 in words is "twenty-three million, three hundred nineteen thousand, thirty-nine".