142402231440423 has 6 divisors (see below), whose sum is σ = 205692112080624. Its totient is φ = 94934820960276.

The previous prime is 142402231440419. The next prime is 142402231440449. The reversal of 142402231440423 is 324044132204241.

142402231440423 is a `hidden beast` number, since 1 + 4 + 2 + 4 + 0 + 223 + 1 + 4 + 4 + 0 + 423 = 666.

It is not a de Polignac number, because 142402231440423 - 2² = 142402231440419 is a prime.

It is a super-2 number, since 2×142402231440423² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142402231441423) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7911235080015 + ... + 7911235080032.

It is an arithmetic number, because the mean of its divisors is an integer number (34282018680104).

Almost surely, 2^{142402231440423} is an apocalyptic number.

142402231440423 is a deficient number, since it is larger than the sum of its proper divisors (63289880640201).

142402231440423 is a wasteful number, since it uses less digits than its factorization.

142402231440423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15822470160053 (or 15822470160050 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 36.

Adding to 142402231440423 its reverse (324044132204241), we get a palindrome (466446363644664).

The spelling of 142402231440423 in words is "one hundred forty-two trillion, four hundred two billion, two hundred thirty-one million, four hundred forty thousand, four hundred twenty-three".