23003013021 has 8 divisors (see below), whose sum is σ = 32474841984. Its totient is φ = 14433263040.

The previous prime is 23003012983. The next prime is 23003013037. The reversal of 23003013021 is 12031030032.

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

It is not a de Polignac number, because 23003013021 - 2⁶ = 23003012957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23003013071) 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, 225519685 + ... + 225519786.

It is an arithmetic number, because the mean of its divisors is an integer number (4059355248).

Almost surely, 2^23003013021 is an apocalyptic number.

It is an amenable number.

23003013021 is a deficient number, since it is larger than the sum of its proper divisors (9471828963).

23003013021 is a wasteful number, since it uses less digits than its factorization.

23003013021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451039491.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 23003013021 its reverse (12031030032), we get a palindrome (35034043053).

The spelling of 23003013021 in words is "twenty-three billion, three million, thirteen thousand, twenty-one".