390353423 has 8 divisors (see below), whose sum is σ = 414136320. Its totient is φ = 366894360.

The previous prime is 390353387. The next prime is 390353429. The reversal of 390353423 is 324353093.

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 390353423 - 2¹⁴ = 390337039 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 390353423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390353429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78473 + ... + 83298.

It is an arithmetic number, because the mean of its divisors is an integer number (51767040).

Almost surely, 2^390353423 is an apocalyptic number.

390353423 is a deficient number, since it is larger than the sum of its proper divisors (23782897).

390353423 is a wasteful number, since it uses less digits than its factorization.

390353423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161917.

The product of its (nonzero) digits is 29160, while the sum is 32.

The square root of 390353423 is about 19757.3637664543. The cubic root of 390353423 is about 730.8349881394.

The spelling of 390353423 in words is "three hundred ninety million, three hundred fifty-three thousand, four hundred twenty-three".