1330023197 has 2 divisors, whose sum is σ = 1330023198. Its totient is φ = 1330023196.

The previous prime is 1330023193. The next prime is 1330023293. The reversal of 1330023197 is 7913200331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1314135001 + 15888196 = 36251^2 + 3986^2 .

It is a cyclic number.

It is not a de Polignac number, because 1330023197 - 2² = 1330023193 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1330023193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665011598 + 665011599.

It is an arithmetic number, because the mean of its divisors is an integer number (665011599).

Almost surely, 2^1330023197 is an apocalyptic number.

It is an amenable number.

1330023197 is a deficient number, since it is larger than the sum of its proper divisors (1).

1330023197 is an equidigital number, since it uses as much as digits as its factorization.

1330023197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3402, while the sum is 29.

The square root of 1330023197 is about 36469.4830920319. The cubic root of 1330023197 is about 1099.7308424100.

The spelling of 1330023197 in words is "one billion, three hundred thirty million, twenty-three thousand, one hundred ninety-seven".