23021003 has 8 divisors (see below), whose sum is σ = 23832576. Its totient is φ = 22213800.

The previous prime is 23020997. The next prime is 23021029. The reversal of 23021003 is 30012032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23021003 - 2⁶ = 23020939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23021083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12500 + ... + 14222.

It is an arithmetic number, because the mean of its divisors is an integer number (2979072).

Almost surely, 2^23021003 is an apocalyptic number.

23021003 is a deficient number, since it is larger than the sum of its proper divisors (811573).

23021003 is a wasteful number, since it uses less digits than its factorization.

23021003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2185.

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 23021003 is about 4798.0207377626. The cubic root of 23021003 is about 284.4732364869.

Adding to 23021003 its reverse (30012032), we get a palindrome (53033035).

The spelling of 23021003 in words is "twenty-three million, twenty-one thousand, three".