142405531103423 has 8 divisors (see below), whose sum is σ = 164809294586880. Its totient is φ = 120516796665720.

The previous prime is 142405531103413. The next prime is 142405531103467. The reversal of 142405531103423 is 324301135504241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 142405531103423 - 2⁶ = 142405531103359 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 (142405531103413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128757260843 + ... + 128757261948.

It is an arithmetic number, because the mean of its divisors is an integer number (20601161823360).

Almost surely, 2^{142405531103423} is an apocalyptic number.

142405531103423 is a deficient number, since it is larger than the sum of its proper divisors (22403763483457).

142405531103423 is an equidigital number, since it uses as much as digits as its factorization.

142405531103423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257514522877.

The product of its (nonzero) digits is 172800, while the sum is 38.

Adding to 142405531103423 its reverse (324301135504241), we get a palindrome (466706666607664).

The spelling of 142405531103423 in words is "one hundred forty-two trillion, four hundred five billion, five hundred thirty-one million, one hundred three thousand, four hundred twenty-three".