320157343 has 16 divisors (see below), whose sum is σ = 353556000. Its totient is φ = 287498880.

The previous prime is 320157301. The next prime is 320157359. The reversal of 320157343 is 343751023.

It is a cyclic number.

It is not a de Polignac number, because 320157343 - 2⁹ = 320156831 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 (320157443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 374905 + ... + 375757.

It is an arithmetic number, because the mean of its divisors is an integer number (22097250).

Almost surely, 2^320157343 is an apocalyptic number.

320157343 is a deficient number, since it is larger than the sum of its proper divisors (33398657).

320157343 is a wasteful number, since it uses less digits than its factorization.

320157343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1242.

The product of its (nonzero) digits is 7560, while the sum is 28.

The square root of 320157343 is about 17892.9411500737. The cubic root of 320157343 is about 684.1024656123.

The spelling of 320157343 in words is "three hundred twenty million, one hundred fifty-seven thousand, three hundred forty-three".