23311023 has 4 divisors (see below), whose sum is σ = 31081368. Its totient is φ = 15540680.

The previous prime is 23311021. The next prime is 23311027. The reversal of 23311023 is 32011332.

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 23311023 - 2¹ = 23311021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23310993 and 23311011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23311021) 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, 3885168 + ... + 3885173.

It is an arithmetic number, because the mean of its divisors is an integer number (7770342).

Almost surely, 2^23311023 is an apocalyptic number.

23311023 is a deficient number, since it is larger than the sum of its proper divisors (7770345).

23311023 is an equidigital number, since it uses as much as digits as its factorization.

23311023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7770344.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 23311023 is about 4828.1490242121. The cubic root of 23311023 is about 285.6628584701.

Adding to 23311023 its reverse (32011332), we get a palindrome (55322355).

The spelling of 23311023 in words is "twenty-three million, three hundred eleven thousand, twenty-three".