142331323 has 4 divisors (see below), whose sum is σ = 146922688. Its totient is φ = 137739960.

The previous prime is 142331317. The next prime is 142331339. The reversal of 142331323 is 323133241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 142331323 - 2¹³ = 142323131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142331294 and 142331303.

It is not an unprimeable number, because it can be changed into a prime (142331363) 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, 2295636 + ... + 2295697.

It is an arithmetic number, because the mean of its divisors is an integer number (36730672).

Almost surely, 2^142331323 is an apocalyptic number.

142331323 is a deficient number, since it is larger than the sum of its proper divisors (4591365).

142331323 is an equidigital number, since it uses as much as digits as its factorization.

142331323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4591364.

The product of its digits is 1296, while the sum is 22.

The square root of 142331323 is about 11930.2691922689. The cubic root of 142331323 is about 522.1157915107.

Adding to 142331323 its reverse (323133241), we get a palindrome (465464564).

The spelling of 142331323 in words is "one hundred forty-two million, three hundred thirty-one thousand, three hundred twenty-three".