142312423 has 16 divisors (see below), whose sum is σ = 164761344. Its totient is φ = 121484160.

The previous prime is 142312411. The next prime is 142312427. The reversal of 142312423 is 324213241.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142312423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 142312394 and 142312403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142312427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146686 + ... + 147652.

It is an arithmetic number, because the mean of its divisors is an integer number (10297584).

Almost surely, 2^142312423 is an apocalyptic number.

142312423 is a deficient number, since it is larger than the sum of its proper divisors (22448921).

142312423 is a wasteful number, since it uses less digits than its factorization.

142312423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1782.

The product of its digits is 1152, while the sum is 22.

The square root of 142312423 is about 11929.4770631407. The cubic root of 142312423 is about 522.0926801181.

Adding to 142312423 its reverse (324213241), we get a palindrome (466525664).

The spelling of 142312423 in words is "one hundred forty-two million, three hundred twelve thousand, four hundred twenty-three".