395164723 has 2 divisors, whose sum is σ = 395164724. Its totient is φ = 395164722.

The previous prime is 395164703. The next prime is 395164739. The reversal of 395164723 is 327461593.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (327461593) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-395164723 is a prime.

It is not a weakly prime, because it can be changed into another prime (395164703) 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, 197582361 + 197582362.

It is an arithmetic number, because the mean of its divisors is an integer number (197582362).

Almost surely, 2^395164723 is an apocalyptic number.

395164723 is a deficient number, since it is larger than the sum of its proper divisors (1).

395164723 is an equidigital number, since it uses as much as digits as its factorization.

395164723 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 136080, while the sum is 40.

The square root of 395164723 is about 19878.7505392064. The cubic root of 395164723 is about 733.8253704548.

The spelling of 395164723 in words is "three hundred ninety-five million, one hundred sixty-four thousand, seven hundred twenty-three".