390433423 has 8 divisors (see below), whose sum is σ = 395287200. Its totient is φ = 385608960.

The previous prime is 390433399. The next prime is 390433427. The reversal of 390433423 is 324334093.

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

It is a cyclic number.

It is not a de Polignac number, because 390433423 - 2⁵ = 390433391 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 (390433427) 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, 20103 + ... + 34423.

It is an arithmetic number, because the mean of its divisors is an integer number (49410900).

Almost surely, 2^390433423 is an apocalyptic number.

390433423 is a deficient number, since it is larger than the sum of its proper divisors (4853777).

390433423 is a wasteful number, since it uses less digits than its factorization.

390433423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14657.

The product of its (nonzero) digits is 23328, while the sum is 31.

The square root of 390433423 is about 19759.3882243353. The cubic root of 390433423 is about 730.8849111083.

The spelling of 390433423 in words is "three hundred ninety million, four hundred thirty-three thousand, four hundred twenty-three".