23304263 has 4 divisors (see below), whose sum is σ = 24675120. Its totient is φ = 21933408.

The previous prime is 23304209. The next prime is 23304299. The reversal of 23304263 is 36240332.

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

It is a cyclic number.

It is not a de Polignac number, because 23304263 - 2¹⁰ = 23303239 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 (23303263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 685403 + ... + 685436.

It is an arithmetic number, because the mean of its divisors is an integer number (6168780).

Almost surely, 2^23304263 is an apocalyptic number.

23304263 is a deficient number, since it is larger than the sum of its proper divisors (1370857).

23304263 is a wasteful number, since it uses less digits than its factorization.

23304263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1370856.

The product of its (nonzero) digits is 2592, while the sum is 23.

The square root of 23304263 is about 4827.4489122103. The cubic root of 23304263 is about 285.6352425275.

Adding to 23304263 its reverse (36240332), we get a palindrome (59544595).

The spelling of 23304263 in words is "twenty-three million, three hundred four thousand, two hundred sixty-three".