23122903 has 4 divisors (see below), whose sum is σ = 23154768. Its totient is φ = 23091040.

The previous prime is 23122877. The next prime is 23122909. The reversal of 23122903 is 30922132.

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 23122903 - 2⁵ = 23122871 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23122909) 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, 14818 + ... + 16303.

It is an arithmetic number, because the mean of its divisors is an integer number (5788692).

Almost surely, 2^23122903 is an apocalyptic number.

23122903 is a deficient number, since it is larger than the sum of its proper divisors (31865).

23122903 is an equidigital number, since it uses as much as digits as its factorization.

23122903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31864.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 23122903 is about 4808.6279747970. The cubic root of 23122903 is about 284.8923487959.

It can be divided in two parts, 23122 and 903, that added together give a square (24025 = 155²).

The spelling of 23122903 in words is "twenty-three million, one hundred twenty-two thousand, nine hundred three".