230002021 has 2 divisors, whose sum is σ = 230002022. Its totient is φ = 230002020.

The previous prime is 230002007. The next prime is 230002037. The reversal of 230002021 is 120200032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 121550625 + 108451396 = 11025^2 + 10414^2 .

It is a cyclic number.

It is not a de Polignac number, because 230002021 - 2²¹ = 227904869 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 230001989 and 230002007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230002081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115001010 + 115001011.

It is an arithmetic number, because the mean of its divisors is an integer number (115001011).

Almost surely, 2^230002021 is an apocalyptic number.

It is an amenable number.

230002021 is a deficient number, since it is larger than the sum of its proper divisors (1).

230002021 is an equidigital number, since it uses as much as digits as its factorization.

230002021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 230002021 is about 15165.8175183536. The cubic root of 230002021 is about 612.6943620852.

Adding to 230002021 its reverse (120200032), we get a palindrome (350202053).

The spelling of 230002021 in words is "two hundred thirty million, two thousand, twenty-one".