320342342 has 4 divisors (see below), whose sum is σ = 480513516. Its totient is φ = 160171170.

The previous prime is 320342333. The next prime is 320342353. The reversal of 320342342 is 243243023.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 243243023 = 53 ⋅4589491.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80085584 + ... + 80085587.

It is an arithmetic number, because the mean of its divisors is an integer number (120128379).

Almost surely, 2^320342342 is an apocalyptic number.

320342342 is a deficient number, since it is larger than the sum of its proper divisors (160171174).

320342342 is a wasteful number, since it uses less digits than its factorization.

320342342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160171173.

The product of its (nonzero) digits is 3456, while the sum is 23.

The square root of 320342342 is about 17898.1100119538. The cubic root of 320342342 is about 684.2342069846.

Adding to 320342342 its reverse (243243023), we get a palindrome (563585365).

The spelling of 320342342 in words is "three hundred twenty million, three hundred forty-two thousand, three hundred forty-two".