230767021 has 2 divisors, whose sum is σ = 230767022. Its totient is φ = 230767020.

The previous prime is 230767003. The next prime is 230767037. The reversal of 230767021 is 120767032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 204089796 + 26677225 = 14286^2 + 5165^2 .

It is a cyclic number.

It is not a de Polignac number, because 230767021 - 2¹⁷ = 230635949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230767081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115383510 + 115383511.

It is an arithmetic number, because the mean of its divisors is an integer number (115383511).

Almost surely, 2^230767021 is an apocalyptic number.

It is an amenable number.

230767021 is a deficient number, since it is larger than the sum of its proper divisors (1).

230767021 is an equidigital number, since it uses as much as digits as its factorization.

230767021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 230767021 is about 15191.0177736714. The cubic root of 230767021 is about 613.3728959659.

The spelling of 230767021 in words is "two hundred thirty million, seven hundred sixty-seven thousand, twenty-one".