394703023 has 32 divisors (see below), whose sum is σ = 495839232. Its totient is φ = 308985600.

The previous prime is 394702999. The next prime is 394703027. The reversal of 394703023 is 320307493.

It is a de Polignac number, because none of the positive numbers 2^k-394703023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394703027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 133386 + ... + 136312.

It is an arithmetic number, because the mean of its divisors is an integer number (15494976).

Almost surely, 2^394703023 is an apocalyptic number.

394703023 is a deficient number, since it is larger than the sum of its proper divisors (101136209).

394703023 is a wasteful number, since it uses less digits than its factorization.

394703023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3015.

The product of its (nonzero) digits is 13608, while the sum is 31.

The square root of 394703023 is about 19867.1342422605. The cubic root of 394703023 is about 733.5394650331.

The spelling of 394703023 in words is "three hundred ninety-four million, seven hundred three thousand, twenty-three".