330023081 has 2 divisors, whose sum is σ = 330023082. Its totient is φ = 330023080.

The previous prime is 330023077. The next prime is 330023087. The reversal of 330023081 is 180320033.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 187936681 + 142086400 = 13709^2 + 11920^2 .

It is a cyclic number.

It is not a de Polignac number, because 330023081 - 2² = 330023077 is a prime.

It is a super-2 number, since 2×330023081² = 217830467985465122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (330023087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165011540 + 165011541.

It is an arithmetic number, because the mean of its divisors is an integer number (165011541).

Almost surely, 2^330023081 is an apocalyptic number.

It is an amenable number.

330023081 is a deficient number, since it is larger than the sum of its proper divisors (1).

330023081 is an equidigital number, since it uses as much as digits as its factorization.

330023081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 330023081 is about 18166.5373970936. The cubic root of 330023081 is about 691.0584336840.

The spelling of 330023081 in words is "three hundred thirty million, twenty-three thousand, eighty-one".