330131423 has 2 divisors, whose sum is σ = 330131424. Its totient is φ = 330131422.

The previous prime is 330131407. The next prime is 330131437. The reversal of 330131423 is 324131033.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 330131423 - 2⁴ = 330131407 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 330131395 and 330131404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (330131453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165065711 + 165065712.

It is an arithmetic number, because the mean of its divisors is an integer number (165065712).

Almost surely, 2^330131423 is an apocalyptic number.

330131423 is a deficient number, since it is larger than the sum of its proper divisors (1).

330131423 is an equidigital number, since it uses as much as digits as its factorization.

330131423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 330131423 is about 18169.5190635305. The cubic root of 330131423 is about 691.1340470432.

Adding to 330131423 its reverse (324131033), we get a palindrome (654262456).

The spelling of 330131423 in words is "three hundred thirty million, one hundred thirty-one thousand, four hundred twenty-three".