142323511189 has 2 divisors, whose sum is σ = 142323511190. Its totient is φ = 142323511188.

The previous prime is 142323511111. The next prime is 142323511219. The reversal of 142323511189 is 981115323241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 135563876100 + 6759635089 = 368190^2 + 82217^2 .

It is a cyclic number.

It is not a de Polignac number, because 142323511189 - 2⁷ = 142323511061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142323512189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71161755594 + 71161755595.

It is an arithmetic number, because the mean of its divisors is an integer number (71161755595).

Almost surely, 2^142323511189 is an apocalyptic number.

It is an amenable number.

142323511189 is a deficient number, since it is larger than the sum of its proper divisors (1).

142323511189 is an equidigital number, since it uses as much as digits as its factorization.

142323511189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 40.

The spelling of 142323511189 in words is "one hundred forty-two billion, three hundred twenty-three million, five hundred eleven thousand, one hundred eighty-nine".