142011243123 has 16 divisors (see below), whose sum is σ = 189833885856. Its totient is φ = 94431617280.

The previous prime is 142011243119. The next prime is 142011243161. The reversal of 142011243123 is 321342110241.

It is not a de Polignac number, because 142011243123 - 2² = 142011243119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 142011243093 and 142011243102.

It is not an unprimeable number, because it can be changed into a prime (142011243113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2467665 + ... + 2524557.

It is an arithmetic number, because the mean of its divisors is an integer number (11864617866).

Almost surely, 2^142011243123 is an apocalyptic number.

142011243123 is a deficient number, since it is larger than the sum of its proper divisors (47822642733).

142011243123 is a wasteful number, since it uses less digits than its factorization.

142011243123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59014.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 142011243123 its reverse (321342110241), we get a palindrome (463353353364).

The spelling of 142011243123 in words is "one hundred forty-two billion, eleven million, two hundred forty-three thousand, one hundred twenty-three".