23670403 has 4 divisors (see below), whose sum is σ = 23754328. Its totient is φ = 23586480.

The previous prime is 23670401. The next prime is 23670421. The reversal of 23670403 is 30407632.

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 23670403 - 2¹ = 23670401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23670401) 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, 41538 + ... + 42103.

It is an arithmetic number, because the mean of its divisors is an integer number (5938582).

Almost surely, 2^23670403 is an apocalyptic number.

23670403 is a deficient number, since it is larger than the sum of its proper divisors (83925).

23670403 is an equidigital number, since it uses as much as digits as its factorization.

23670403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83924.

The product of its (nonzero) digits is 3024, while the sum is 25.

The square root of 23670403 is about 4865.2238386327. The cubic root of 23670403 is about 287.1233752684.

The spelling of 23670403 in words is "twenty-three million, six hundred seventy thousand, four hundred three".