142443323 has 32 divisors (see below), whose sum is σ = 177085440. Its totient is φ = 112872960.

The previous prime is 142443319. The next prime is 142443341. The reversal of 142443323 is 323344241.

It is a cyclic number.

It is not a de Polignac number, because 142443323 - 2² = 142443319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142443292 and 142443301.

It is not an unprimeable number, because it can be changed into a prime (142443313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 166565 + ... + 167417.

It is an arithmetic number, because the mean of its divisors is an integer number (5533920).

Almost surely, 2^142443323 is an apocalyptic number.

142443323 is a deficient number, since it is larger than the sum of its proper divisors (34642117).

142443323 is a wasteful number, since it uses less digits than its factorization.

142443323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 947.

The product of its digits is 6912, while the sum is 26.

The square root of 142443323 is about 11934.9622119217. The cubic root of 142443323 is about 522.2527059432.

Adding to 142443323 its reverse (323344241), we get a palindrome (465787564).

It can be divided in two parts, 142443 and 323, that multiplied together give a square (46009089 = 6783²).

The spelling of 142443323 in words is "one hundred forty-two million, four hundred forty-three thousand, three hundred twenty-three".