142422423 has 64 divisors (see below), whose sum is σ = 238533120. Its totient is φ = 74304000.

The previous prime is 142422419. The next prime is 142422431. The reversal of 142422423 is 324224241.

It is not a de Polignac number, because 142422423 - 2² = 142422419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 142422393 and 142422402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142422403) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 823165 + ... + 823337.

It is an arithmetic number, because the mean of its divisors is an integer number (3727080).

Almost surely, 2^142422423 is an apocalyptic number.

142422423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

142422423 is a deficient number, since it is larger than the sum of its proper divisors (96110697).

142422423 is a wasteful number, since it uses less digits than its factorization.

142422423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320.

The product of its digits is 3072, while the sum is 24.

The square root of 142422423 is about 11934.0866009930. The cubic root of 142422423 is about 522.2271621802.

Adding to 142422423 its reverse (324224241), we get a palindrome (466646664).

It can be divided in two parts, 142422 and 423, that added together give a triangular number (142845 = T₅₃₄).

The spelling of 142422423 in words is "one hundred forty-two million, four hundred twenty-two thousand, four hundred twenty-three".