230011021 has 2 divisors, whose sum is σ = 230011022. Its totient is φ = 230011020.

The previous prime is 230011013. The next prime is 230011027. The reversal of 230011021 is 120110032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 130210921 + 99800100 = 11411^2 + 9990^2 .

It is a cyclic number.

It is not a de Polignac number, because 230011021 - 2³ = 230011013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 230010989 and 230011007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230011027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115005510 + 115005511.

It is an arithmetic number, because the mean of its divisors is an integer number (115005511).

Almost surely, 2^230011021 is an apocalyptic number.

It is an amenable number.

230011021 is a deficient number, since it is larger than the sum of its proper divisors (1).

230011021 is an equidigital number, since it uses as much as digits as its factorization.

230011021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 230011021 is about 15166.1142353604. The cubic root of 230011021 is about 612.7023535764.

Adding to 230011021 its reverse (120110032), we get a palindrome (350121053).

The spelling of 230011021 in words is "two hundred thirty million, eleven thousand, twenty-one".