383940723 has 8 divisors (see below), whose sum is σ = 513731008. Its totient is φ = 255055464.

The previous prime is 383940707. The next prime is 383940731. The reversal of 383940723 is 327049383.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 383940723 - 2⁴ = 383940707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (383940703) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225265 + ... + 226962.

It is an arithmetic number, because the mean of its divisors is an integer number (64216376).

Almost surely, 2^383940723 is an apocalyptic number.

383940723 is a deficient number, since it is larger than the sum of its proper divisors (129790285).

383940723 is a wasteful number, since it uses less digits than its factorization.

383940723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452513.

The product of its (nonzero) digits is 108864, while the sum is 39.

The square root of 383940723 is about 19594.4054005219. The cubic root of 383940723 is about 726.8108347022.

The spelling of 383940723 in words is "three hundred eighty-three million, nine hundred forty thousand, seven hundred twenty-three".