142323361809 has 8 divisors (see below), whose sum is σ = 189770307072. Its totient is φ = 94879328880.

The previous prime is 142323361757. The next prime is 142323361811. The reversal of 142323361809 is 908163323241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 142323361809 - 2¹³ = 142323353617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142323361879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 611382 + ... + 811439.

It is an arithmetic number, because the mean of its divisors is an integer number (23721288384).

Almost surely, 2^142323361809 is an apocalyptic number.

It is an amenable number.

142323361809 is a deficient number, since it is larger than the sum of its proper divisors (47446945263).

142323361809 is a wasteful number, since it uses less digits than its factorization.

142323361809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1456167.

The product of its (nonzero) digits is 186624, while the sum is 42.

The spelling of 142323361809 in words is "one hundred forty-two billion, three hundred twenty-three million, three hundred sixty-one thousand, eight hundred nine".