23021302003 has 4 divisors (see below), whose sum is σ = 26310059440. Its totient is φ = 19732544568.

The previous prime is 23021301991. The next prime is 23021302019. The reversal of 23021302003 is 30020312032.

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-23021302003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23021302033) 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, 1644378708 + ... + 1644378721.

It is an arithmetic number, because the mean of its divisors is an integer number (6577514860).

Almost surely, 2^23021302003 is an apocalyptic number.

23021302003 is a deficient number, since it is larger than the sum of its proper divisors (3288757437).

23021302003 is an equidigital number, since it uses as much as digits as its factorization.

23021302003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3288757436.

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 23021302003 its reverse (30020312032), we get a palindrome (53041614035).

The spelling of 23021302003 in words is "twenty-three billion, twenty-one million, three hundred two thousand, three".