423341240442 has 32 divisors (see below), whose sum is σ = 891274708800. Its totient is φ = 133682208768.

The previous prime is 423341240431. The next prime is 423341240473. The reversal of 423341240442 is 244042143324.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5511034 + ... + 5587322.

It is an arithmetic number, because the mean of its divisors is an integer number (27852334650).

Almost surely, 2^423341240442 is an apocalyptic number.

423341240442 is an abundant number, since it is smaller than the sum of its proper divisors (467933468358).

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

423341240442 is a wasteful number, since it uses less digits than its factorization.

423341240442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124990.

The product of its (nonzero) digits is 73728, while the sum is 33.

Adding to 423341240442 its reverse (244042143324), we get a palindrome (667383383766).

The spelling of 423341240442 in words is "four hundred twenty-three billion, three hundred forty-one million, two hundred forty thousand, four hundred forty-two".