142104530123 has 2 divisors, whose sum is σ = 142104530124. Its totient is φ = 142104530122.

The previous prime is 142104530107. The next prime is 142104530189. The reversal of 142104530123 is 321035401241.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (321035401241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142104530123 - 2⁴ = 142104530107 is a prime.

It is a super-2 number, since 2×142104530123² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 142104530092 and 142104530101.

It is not a weakly prime, because it can be changed into another prime (142104530023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71052265061 + 71052265062.

It is an arithmetic number, because the mean of its divisors is an integer number (71052265062).

Almost surely, 2^142104530123 is an apocalyptic number.

142104530123 is a deficient number, since it is larger than the sum of its proper divisors (1).

142104530123 is an equidigital number, since it uses as much as digits as its factorization.

142104530123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 142104530123 its reverse (321035401241), we get a palindrome (463139931364).

The spelling of 142104530123 in words is "one hundred forty-two billion, one hundred four million, five hundred thirty thousand, one hundred twenty-three".