23563123 has 4 divisors (see below), whose sum is σ = 23693488. Its totient is φ = 23432760.

The previous prime is 23563091. The next prime is 23563129. The reversal of 23563123 is 32136532.

It is a happy number.

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 23563123 - 2⁵ = 23563091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23563129) 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, 64911 + ... + 65272.

It is an arithmetic number, because the mean of its divisors is an integer number (5923372).

Almost surely, 2^23563123 is an apocalyptic number.

23563123 is a deficient number, since it is larger than the sum of its proper divisors (130365).

23563123 is a wasteful number, since it uses less digits than its factorization.

23563123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130364.

The product of its digits is 3240, while the sum is 25.

The square root of 23563123 is about 4854.1861315776. The cubic root of 23563123 is about 286.6889473999.

Adding to 23563123 its reverse (32136532), we get a palindrome (55699655).

The spelling of 23563123 in words is "twenty-three million, five hundred sixty-three thousand, one hundred twenty-three".