383928723 has 12 divisors (see below), whose sum is σ = 554842288. Its totient is φ = 255823920.

The previous prime is 383928683. The next prime is 383928739. The reversal of 383928723 is 327829383.

It is a happy number.

It is not a de Polignac number, because 383928723 - 2⁶ = 383928659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (383928793) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10386 + ... + 29592.

Almost surely, 2^383928723 is an apocalyptic number.

383928723 is a deficient number, since it is larger than the sum of its proper divisors (170913565).

383928723 is a wasteful number, since it uses less digits than its factorization.

383928723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21434 (or 21431 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 383928723 is about 19594.0991882760. The cubic root of 383928723 is about 726.8032625082.

The spelling of 383928723 in words is "three hundred eighty-three million, nine hundred twenty-eight thousand, seven hundred twenty-three".