142101323123 has 4 divisors (see below), whose sum is σ = 142886413488. Its totient is φ = 141316232760.

The previous prime is 142101323101. The next prime is 142101323149. The reversal of 142101323123 is 321323101241.

142101323123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 142101323123 - 2³⁴ = 124921453939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142103323123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 392544911 + ... + 392545272.

It is an arithmetic number, because the mean of its divisors is an integer number (35721603372).

Almost surely, 2^142101323123 is an apocalyptic number.

142101323123 is a deficient number, since it is larger than the sum of its proper divisors (785090365).

142101323123 is an equidigital number, since it uses as much as digits as its factorization.

142101323123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785090364.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 142101323123 its reverse (321323101241), we get a palindrome (463424424364).

The spelling of 142101323123 in words is "one hundred forty-two billion, one hundred one million, three hundred twenty-three thousand, one hundred twenty-three".