423220133442 has 8 divisors (see below), whose sum is σ = 846440266896. Its totient is φ = 141073377812.

The previous prime is 423220133431. The next prime is 423220133489. The reversal of 423220133442 is 244331022324.

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

423220133442 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35268344448 + ... + 35268344459.

It is an arithmetic number, because the mean of its divisors is an integer number (105805033362).

Almost surely, 2^423220133442 is an apocalyptic number.

423220133442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

423220133442 is a wasteful number, since it uses less digits than its factorization.

423220133442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70536688912.

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 423220133442 its reverse (244331022324), we get a palindrome (667551155766).

The spelling of 423220133442 in words is "four hundred twenty-three billion, two hundred twenty million, one hundred thirty-three thousand, four hundred forty-two".