23412403 has 4 divisors (see below), whose sum is σ = 26757040. Its totient is φ = 20067768.

The previous prime is 23412397. The next prime is 23412419. The reversal of 23412403 is 30421432.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 23412403 - 2⁵ = 23412371 is a prime.

It is a super-2 number, since 2×23412403² = 1096281228468818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23412703) 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, 1672308 + ... + 1672321.

It is an arithmetic number, because the mean of its divisors is an integer number (6689260).

Almost surely, 2^23412403 is an apocalyptic number.

23412403 is a deficient number, since it is larger than the sum of its proper divisors (3344637).

23412403 is an equidigital number, since it uses as much as digits as its factorization.

23412403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3344636.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 23412403 is about 4838.6364814894. The cubic root of 23412403 is about 286.0763769804.

Adding to 23412403 its reverse (30421432), we get a palindrome (53833835).

The spelling of 23412403 in words is "twenty-three million, four hundred twelve thousand, four hundred three".