23816923 has 4 divisors (see below), whose sum is σ = 25649008. Its totient is φ = 21984840.

The previous prime is 23816909. The next prime is 23816929. The reversal of 23816923 is 32961832.

It is a happy number.

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-23816923 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23816929) 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, 916023 + ... + 916048.

It is an arithmetic number, because the mean of its divisors is an integer number (6412252).

Almost surely, 2^23816923 is an apocalyptic number.

23816923 is a deficient number, since it is larger than the sum of its proper divisors (1832085).

23816923 is a wasteful number, since it uses less digits than its factorization.

23816923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1832084.

The product of its digits is 15552, while the sum is 34.

The square root of 23816923 is about 4880.2584972520. The cubic root of 23816923 is about 287.7145891298.

It can be divided in two parts, 238 and 16923, that added together give a square (17161 = 131²).

The spelling of 23816923 in words is "twenty-three million, eight hundred sixteen thousand, nine hundred twenty-three".