394265423 has 4 divisors (see below), whose sum is σ = 394369848. Its totient is φ = 394161000.

The previous prime is 394265401. The next prime is 394265429. The reversal of 394265423 is 324562493.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 324562493 = 13469 ⋅24097.

It is a cyclic number.

It is not a de Polignac number, because 394265423 - 2¹⁰ = 394264399 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 (394265429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46328 + ... + 54173.

It is an arithmetic number, because the mean of its divisors is an integer number (98592462).

Almost surely, 2^394265423 is an apocalyptic number.

394265423 is a deficient number, since it is larger than the sum of its proper divisors (104425).

394265423 is a wasteful number, since it uses less digits than its factorization.

394265423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104424.

The product of its digits is 155520, while the sum is 38.

The square root of 394265423 is about 19856.1180244276. The cubic root of 394265423 is about 733.2682775393.

The spelling of 394265423 in words is "three hundred ninety-four million, two hundred sixty-five thousand, four hundred twenty-three".