23122603 has 4 divisors (see below), whose sum is σ = 26425840. Its totient is φ = 19819368.

The previous prime is 23122597. The next prime is 23122607. The reversal of 23122603 is 30622132.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23122603 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23122607) 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, 1651608 + ... + 1651621.

It is an arithmetic number, because the mean of its divisors is an integer number (6606460).

Almost surely, 2^23122603 is an apocalyptic number.

23122603 is a deficient number, since it is larger than the sum of its proper divisors (3303237).

23122603 is an equidigital number, since it uses as much as digits as its factorization.

23122603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3303236.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 23122603 is about 4808.5967807667. The cubic root of 23122603 is about 284.8911167119.

Adding to 23122603 its reverse (30622132), we get a palindrome (53744735).

The spelling of 23122603 in words is "twenty-three million, one hundred twenty-two thousand, six hundred three".