23023021003 has 4 divisors (see below), whose sum is σ = 23250971808. Its totient is φ = 22795070200.

The previous prime is 23023020997. The next prime is 23023021039. The reversal of 23023021003 is 30012032032.

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-23023021003 is a prime.

It is a super-2 number, since 2×23023021003² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23023027003) 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, 113975251 + ... + 113975452.

It is an arithmetic number, because the mean of its divisors is an integer number (5812742952).

Almost surely, 2^23023021003 is an apocalyptic number.

23023021003 is a deficient number, since it is larger than the sum of its proper divisors (227950805).

23023021003 is a wasteful number, since it uses less digits than its factorization.

23023021003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227950804.

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

Adding to 23023021003 its reverse (30012032032), we get a palindrome (53035053035).

The spelling of 23023021003 in words is "twenty-three billion, twenty-three million, twenty-one thousand, three".