142540441423 has 4 divisors (see below), whose sum is σ = 145229883768. Its totient is φ = 139850999080.

The previous prime is 142540441409. The next prime is 142540441427. The reversal of 142540441423 is 324144045241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 324144045241 = 7681 ⋅42200761.

It is a cyclic number.

It is not a de Polignac number, because 142540441423 - 2³³ = 133950506831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142540441427) 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, 1344721093 + ... + 1344721198.

It is an arithmetic number, because the mean of its divisors is an integer number (36307470942).

Almost surely, 2^142540441423 is an apocalyptic number.

142540441423 is a deficient number, since it is larger than the sum of its proper divisors (2689442345).

142540441423 is an equidigital number, since it uses as much as digits as its factorization.

142540441423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2689442344.

The product of its (nonzero) digits is 61440, while the sum is 34.

Adding to 142540441423 its reverse (324144045241), we get a palindrome (466684486664).

The spelling of 142540441423 in words is "one hundred forty-two billion, five hundred forty million, four hundred forty-one thousand, four hundred twenty-three".