320232142 has 4 divisors (see below), whose sum is σ = 480348216. Its totient is φ = 160116070.

The previous prime is 320232131. The next prime is 320232161. The reversal of 320232142 is 241232023.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 241232023 = 17 ⋅14190119.

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, 80058034 + ... + 80058037.

It is an arithmetic number, because the mean of its divisors is an integer number (120087054).

Almost surely, 2^320232142 is an apocalyptic number.

320232142 is a deficient number, since it is larger than the sum of its proper divisors (160116074).

320232142 is a wasteful number, since it uses less digits than its factorization.

320232142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160116073.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 320232142 is about 17895.0312098079. The cubic root of 320232142 is about 684.1557375394.

Adding to 320232142 its reverse (241232023), we get a palindrome (561464165).

It can be divided in two parts, 3202 and 32142, that added together give a square (35344 = 188²).

The spelling of 320232142 in words is "three hundred twenty million, two hundred thirty-two thousand, one hundred forty-two".