142323433 has 16 divisors (see below), whose sum is σ = 171601920. Its totient is φ = 115310736.

The previous prime is 142323403. The next prime is 142323451. The reversal of 142323433 is 334323241.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142323433 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 142323398 and 142323407.

It is not an unprimeable number, because it can be changed into a prime (142323403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77160 + ... + 78982.

It is an arithmetic number, because the mean of its divisors is an integer number (10725120).

Almost surely, 2^142323433 is an apocalyptic number.

It is an amenable number.

142323433 is a deficient number, since it is larger than the sum of its proper divisors (29278487).

142323433 is a wasteful number, since it uses less digits than its factorization.

142323433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2436.

The product of its digits is 5184, while the sum is 25.

The square root of 142323433 is about 11929.9385161869. The cubic root of 142323433 is about 522.1061436702.

Adding to 142323433 its reverse (334323241), we get a palindrome (476646674).

The spelling of 142323433 in words is "one hundred forty-two million, three hundred twenty-three thousand, four hundred thirty-three".