142641203326123 has 4 divisors (see below), whose sum is σ = 143269578671400. Its totient is φ = 142012827980848.

The previous prime is 142641203326073. The next prime is 142641203326163. The reversal of 142641203326123 is 321623302146241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 142641203326123 - 2²⁵ = 142641169771691 is a prime.

It is a super-2 number, since 2×142641203326123² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142641203326163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 314187672298 + ... + 314187672751.

It is an arithmetic number, because the mean of its divisors is an integer number (35817394667850).

Almost surely, 2^{142641203326123} is an apocalyptic number.

142641203326123 is a deficient number, since it is larger than the sum of its proper divisors (628375345277).

142641203326123 is an equidigital number, since it uses as much as digits as its factorization.

142641203326123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628375345276.

The product of its (nonzero) digits is 248832, while the sum is 40.

The spelling of 142641203326123 in words is "one hundred forty-two trillion, six hundred forty-one billion, two hundred three million, three hundred twenty-six thousand, one hundred twenty-three".