423034342242 has 32 divisors (see below), whose sum is σ = 872978141952. Its totient is φ = 136588399104.

The previous prime is 423034342231. The next prime is 423034342259. The reversal of 423034342242 is 242243430324.

It is a super-2 number, since 2×423034342242² (a number of 24 digits) contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 7705233 + ... + 7759940.

It is an arithmetic number, because the mean of its divisors is an integer number (27280566936).

Almost surely, 2^423034342242 is an apocalyptic number.

423034342242 is an abundant number, since it is smaller than the sum of its proper divisors (449943799710).

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

423034342242 is a wasteful number, since it uses less digits than its factorization.

423034342242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15465322.

The product of its (nonzero) digits is 110592, while the sum is 33.

Adding to 423034342242 its reverse (242243430324), we get a palindrome (665277772566).

The spelling of 423034342242 in words is "four hundred twenty-three billion, thirty-four million, three hundred forty-two thousand, two hundred forty-two".