423142402209 has 8 divisors (see below), whose sum is σ = 564193754112. Its totient is φ = 282092992560.

The previous prime is 423142402159. The next prime is 423142402211. The reversal of 423142402209 is 902204241324.

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

It is not a de Polignac number, because 423142402209 - 2²⁰ = 423141353633 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 423142402209.

It is not an unprimeable number, because it can be changed into a prime (423142402229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136707 + ... + 930039.

It is an arithmetic number, because the mean of its divisors is an integer number (70524219264).

Almost surely, 2^423142402209 is an apocalyptic number.

It is an amenable number.

423142402209 is a deficient number, since it is larger than the sum of its proper divisors (141051351903).

423142402209 is a wasteful number, since it uses less digits than its factorization.

423142402209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 971127.

The product of its (nonzero) digits is 27648, while the sum is 33.

The spelling of 423142402209 in words is "four hundred twenty-three billion, one hundred forty-two million, four hundred two thousand, two hundred nine".