395098723 has 2 divisors, whose sum is σ = 395098724. Its totient is φ = 395098722.

The previous prime is 395098709. The next prime is 395098747. The reversal of 395098723 is 327890593.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-395098723 is a prime.

It is a super-2 number, since 2×395098723² = 312206001832461458, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (395098763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197549361 + 197549362.

It is an arithmetic number, because the mean of its divisors is an integer number (197549362).

Almost surely, 2^395098723 is an apocalyptic number.

395098723 is a deficient number, since it is larger than the sum of its proper divisors (1).

395098723 is an equidigital number, since it uses as much as digits as its factorization.

395098723 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 408240, while the sum is 46.

The square root of 395098723 is about 19877.0904057913. The cubic root of 395098723 is about 733.7845139307.

The spelling of 395098723 in words is "three hundred ninety-five million, ninety-eight thousand, seven hundred twenty-three".