23556023 has 4 divisors (see below), whose sum is σ = 23568528. Its totient is φ = 23543520.

The previous prime is 23556019. The next prime is 23556041. The reversal of 23556023 is 32065532.

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 23556023 - 2² = 23556019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23555983 and 23556001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23556083) 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, 2786 + ... + 7407.

It is an arithmetic number, because the mean of its divisors is an integer number (5892132).

Almost surely, 2^23556023 is an apocalyptic number.

23556023 is a deficient number, since it is larger than the sum of its proper divisors (12505).

23556023 is a wasteful number, since it uses less digits than its factorization.

23556023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12504.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 23556023 is about 4853.4547489392. The cubic root of 23556023 is about 286.6601496325.

The spelling of 23556023 in words is "twenty-three million, five hundred fifty-six thousand, twenty-three".