425039323 has 2 divisors, whose sum is σ = 425039324. Its totient is φ = 425039322.

The previous prime is 425039317. The next prime is 425039339. The reversal of 425039323 is 323930524.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-425039323 is a prime.

It is not a weakly prime, because it can be changed into another prime (425339323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212519661 + 212519662.

It is an arithmetic number, because the mean of its divisors is an integer number (212519662).

Almost surely, 2^425039323 is an apocalyptic number.

425039323 is a deficient number, since it is larger than the sum of its proper divisors (1).

425039323 is an equidigital number, since it uses as much as digits as its factorization.

425039323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 31.

The square root of 425039323 is about 20616.4818288669. The cubic root of 425039323 is about 751.8704855374.

Adding to 425039323 its reverse (323930524), we get a palindrome (748969847).

The spelling of 425039323 in words is "four hundred twenty-five million, thirty-nine thousand, three hundred twenty-three".