23305023 has 16 divisors (see below), whose sum is σ = 39458560. Its totient is φ = 13317048.

The previous prime is 23305013. The next prime is 23305027. The reversal of 23305023 is 32050332.

It is not a de Polignac number, because 23305023 - 2⁶ = 23304959 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23304987 and 23305005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23305027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61465 + ... + 61842.

It is an arithmetic number, because the mean of its divisors is an integer number (2466160).

Almost surely, 2^23305023 is an apocalyptic number.

23305023 is a deficient number, since it is larger than the sum of its proper divisors (16153537).

23305023 is a wasteful number, since it uses less digits than its factorization.

23305023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123323 (or 123317 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 18.

The square root of 23305023 is about 4827.5276280929. The cubic root of 23305023 is about 285.6383475449.

Adding to 23305023 its reverse (32050332), we get a palindrome (55355355).

The spelling of 23305023 in words is "twenty-three million, three hundred five thousand, twenty-three".