142623322 has 16 divisors (see below), whose sum is σ = 224104320. Its totient is φ = 67946032.

The previous prime is 142623311. The next prime is 142623323. The reversal of 142623322 is 223326241.

It is not an unprimeable number, because it can be changed into a prime (142623323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6204 + ... + 17992.

It is an arithmetic number, because the mean of its divisors is an integer number (14006520).

Almost surely, 2^142623322 is an apocalyptic number.

142623322 is a deficient number, since it is larger than the sum of its proper divisors (81480998).

142623322 is a wasteful number, since it uses less digits than its factorization.

142623322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12077.

The product of its digits is 3456, while the sum is 25.

The square root of 142623322 is about 11942.5006594097. The cubic root of 142623322 is about 522.4725954965.

Adding to 142623322 its reverse (223326241), we get a palindrome (365949563).

The spelling of 142623322 in words is "one hundred forty-two million, six hundred twenty-three thousand, three hundred twenty-two".