142340623909 has 8 divisors (see below), whose sum is σ = 164414838528. Its totient is φ = 121788768960.

The previous prime is 142340623891. The next prime is 142340623921. The reversal of 142340623909 is 909326043241.

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

It is a cyclic number.

It is not a de Polignac number, because 142340623909 - 2⁷ = 142340623781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142340623409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 380589717 + ... + 380590090.

It is an arithmetic number, because the mean of its divisors is an integer number (20551854816).

Almost surely, 2^142340623909 is an apocalyptic number.

It is an amenable number.

142340623909 is a deficient number, since it is larger than the sum of its proper divisors (22074214619).

142340623909 is a wasteful number, since it uses less digits than its factorization.

142340623909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761179835.

The product of its (nonzero) digits is 279936, while the sum is 43.

The spelling of 142340623909 in words is "one hundred forty-two billion, three hundred forty million, six hundred twenty-three thousand, nine hundred nine".