23078903 has 4 divisors (see below), whose sum is σ = 23514408. Its totient is φ = 22643400.

The previous prime is 23078893. The next prime is 23078921. The reversal of 23078903 is 30987032.

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 23078903 - 2⁸ = 23078647 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23078903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23078953) 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, 217673 + ... + 217778.

It is an arithmetic number, because the mean of its divisors is an integer number (5878602).

Almost surely, 2^23078903 is an apocalyptic number.

23078903 is a deficient number, since it is larger than the sum of its proper divisors (435505).

23078903 is an equidigital number, since it uses as much as digits as its factorization.

23078903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435504.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 23078903 is about 4804.0506866602. The cubic root of 23078903 is about 284.7115291878.

The spelling of 23078903 in words is "twenty-three million, seventy-eight thousand, nine hundred three".