142270732423 has 4 divisors (see below), whose sum is σ = 142992919080. Its totient is φ = 141548545768.

The previous prime is 142270732403. The next prime is 142270732427. The reversal of 142270732423 is 324237072241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 324237072241 = 1223 ⋅265116167.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142270732423 is a prime.

It is a super-2 number, since 2×142270732423² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142270732427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 361093033 + ... + 361093426.

It is an arithmetic number, because the mean of its divisors is an integer number (35748229770).

Almost surely, 2^142270732423 is an apocalyptic number.

142270732423 is a deficient number, since it is larger than the sum of its proper divisors (722186657).

142270732423 is an equidigital number, since it uses as much as digits as its factorization.

142270732423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722186656.

The product of its (nonzero) digits is 112896, while the sum is 37.

The spelling of 142270732423 in words is "one hundred forty-two billion, two hundred seventy million, seven hundred thirty-two thousand, four hundred twenty-three".