423243004342 has 16 divisors (see below), whose sum is σ = 662617882080. Its totient is φ = 202374559552.

The previous prime is 423243004313. The next prime is 423243004391. The reversal of 423243004342 is 243400342324.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 840613 + ... + 1246240.

It is an arithmetic number, because the mean of its divisors is an integer number (41413617630).

Almost surely, 2^423243004342 is an apocalyptic number.

423243004342 is a deficient number, since it is larger than the sum of its proper divisors (239374877738).

423243004342 is a wasteful number, since it uses less digits than its factorization.

423243004342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2091287.

The product of its (nonzero) digits is 55296, while the sum is 31.

Adding to 423243004342 its reverse (243400342324), we get a palindrome (666643346666).

The spelling of 423243004342 in words is "four hundred twenty-three billion, two hundred forty-three million, four thousand, three hundred forty-two".