23004263 has 4 divisors (see below), whose sum is σ = 23746368. Its totient is φ = 22262160.

The previous prime is 23004257. The next prime is 23004283. The reversal of 23004263 is 36240032.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23004263 is a prime.

It is a super-2 number, since 2×23004263² = 1058392232346338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23004203) 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, 371006 + ... + 371067.

It is an arithmetic number, because the mean of its divisors is an integer number (5936592).

Almost surely, 2^23004263 is an apocalyptic number.

23004263 is a deficient number, since it is larger than the sum of its proper divisors (742105).

23004263 is an equidigital number, since it uses as much as digits as its factorization.

23004263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742104.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 23004263 is about 4796.2759511938. The cubic root of 23004263 is about 284.4042670518.

Adding to 23004263 its reverse (36240032), we get a palindrome (59244295).

The spelling of 23004263 in words is "twenty-three million, four thousand, two hundred sixty-three".