23404023 has 12 divisors (see below), whose sum is σ = 34141848. Its totient is φ = 15447600.

The previous prime is 23404021. The next prime is 23404033. The reversal of 23404023 is 32040432.

It is not a de Polignac number, because 23404023 - 2¹ = 23404021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23403987 and 23404005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23404021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11965 + ... + 13782.

It is an arithmetic number, because the mean of its divisors is an integer number (2845154).

Almost surely, 2^23404023 is an apocalyptic number.

23404023 is a deficient number, since it is larger than the sum of its proper divisors (10737825).

23404023 is a wasteful number, since it uses less digits than its factorization.

23404023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25854 (or 25851 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 23404023 is about 4837.7704575558. The cubic root of 23404023 is about 286.0422411405.

Adding to 23404023 its reverse (32040432), we get a palindrome (55444455).

It can be divided in two parts, 2 and 3404023, that added together give a square (3404025 = 1845²).

The spelling of 23404023 in words is "twenty-three million, four hundred four thousand, twenty-three".