23031023 has 4 divisors (see below), whose sum is σ = 23069208. Its totient is φ = 22992840.

The previous prime is 23030999. The next prime is 23031061. The reversal of 23031023 is 32013032.

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 23031023 - 2¹⁰ = 23029999 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23030989 and 23031007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23031083) 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, 18173 + ... + 19398.

It is an arithmetic number, because the mean of its divisors is an integer number (5767302).

Almost surely, 2^23031023 is an apocalyptic number.

23031023 is a deficient number, since it is larger than the sum of its proper divisors (38185).

23031023 is an equidigital number, since it uses as much as digits as its factorization.

23031023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38184.

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 23031023 is about 4799.0648047302. The cubic root of 23031023 is about 284.5145032723.

Adding to 23031023 its reverse (32013032), we get a palindrome (55044055).

Subtracting 23031023 from its reverse (32013032), we obtain a square (8982009 = 2997²).

The spelling of 23031023 in words is "twenty-three million, thirty-one thousand, twenty-three".