23521023 has 10 divisors (see below), whose sum is σ = 35136464. Its totient is φ = 15680628.

The previous prime is 23521021. The next prime is 23521027. The reversal of 23521023 is 32012532.

It is not a de Polignac number, because 23521023 - 2¹ = 23521021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23520987 and 23521005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23521021) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 145111 + ... + 145272.

Almost surely, 2^23521023 is an apocalyptic number.

23521023 is a deficient number, since it is larger than the sum of its proper divisors (11615441).

23521023 is an equidigital number, since it uses as much as digits as its factorization.

23521023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290395 (or 290386 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 23521023 is about 4849.8477295684. The cubic root of 23521023 is about 286.5181041711.

Adding to 23521023 its reverse (32012532), we get a palindrome (55533555).

It can be divided in two parts, 2352 and 1023, that added together give a cube (3375 = 15³).

The spelling of 23521023 in words is "twenty-three million, five hundred twenty-one thousand, twenty-three".