230001300021 has 24 divisors (see below), whose sum is σ = 312634606720. Its totient is φ = 150406591104.

The previous prime is 230001300013. The next prime is 230001300041. The reversal of 230001300021 is 120003100032.

It is a happy number.

It is not a de Polignac number, because 230001300021 - 2³ = 230001300013 is a prime.

It is a super-2 number, since 2×230001300021² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230001300041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4811325 + ... + 4858893.

Almost surely, 2^230001300021 is an apocalyptic number.

It is an amenable number.

230001300021 is a deficient number, since it is larger than the sum of its proper divisors (82633306699).

230001300021 is an equidigital number, since it uses as much as digits as its factorization.

230001300021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48153 (or 48094 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 230001300021 its reverse (120003100032), we get a palindrome (350004400053).

The spelling of 230001300021 in words is "two hundred thirty billion, one million, three hundred thousand, twenty-one".