323142442 has 16 divisors (see below), whose sum is σ = 561762432. Its totient is φ = 136538640.

The previous prime is 323142403. The next prime is 323142467. The reversal of 323142442 is 244241323.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161553 + ... + 163540.

It is an arithmetic number, because the mean of its divisors is an integer number (35110152).

Almost surely, 2^323142442 is an apocalyptic number.

323142442 is a deficient number, since it is larger than the sum of its proper divisors (238619990).

323142442 is a wasteful number, since it uses less digits than its factorization.

323142442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325173.

The product of its digits is 4608, while the sum is 25.

The square root of 323142442 is about 17976.1631612533. The cubic root of 323142442 is about 686.2220478704. Note that the first 3 decimals are identical.

Adding to 323142442 its reverse (244241323), we get a palindrome (567383765).

The spelling of 323142442 in words is "three hundred twenty-three million, one hundred forty-two thousand, four hundred forty-two".