23004965 has 4 divisors (see below), whose sum is σ = 27605964. Its totient is φ = 18403968.

The previous prime is 23004941. The next prime is 23004967. The reversal of 23004965 is 56940032.

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

It can be written as a sum of positive squares in 2 ways, for example, as 11404129 + 11600836 = 3377^2 + 3406^2 .

It is a cyclic number.

It is not a de Polignac number, because 23004965 - 2²² = 18810661 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 (23004967) 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, 2300492 + ... + 2300501.

It is an arithmetic number, because the mean of its divisors is an integer number (6901491).

Almost surely, 2^23004965 is an apocalyptic number.

It is an amenable number.

23004965 is a deficient number, since it is larger than the sum of its proper divisors (4600999).

23004965 is an equidigital number, since it uses as much as digits as its factorization.

23004965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4600998.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 23004965 is about 4796.3491324131. The cubic root of 23004965 is about 284.4071599905.

Adding to 23004965 its reverse (56940032), we get a palindrome (79944997).

The spelling of 23004965 in words is "twenty-three million, four thousand, nine hundred sixty-five".