423052135403442 has 32 divisors (see below), whose sum is σ = 863955285941952. Its totient is φ = 138070409935104.

The previous prime is 423052135403389. The next prime is 423052135403567. The reversal of 423052135403442 is 244304531250324.

It is a junction number, because it is equal to n+sod(n) for n = 423052135403394 and 423052135403403.

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, 3525021948 + ... + 3525141959.

It is an arithmetic number, because the mean of its divisors is an integer number (26998602685686).

Almost surely, 2^{423052135403442} is an apocalyptic number.

423052135403442 is an abundant number, since it is smaller than the sum of its proper divisors (440903150538510).

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

423052135403442 is a wasteful number, since it uses less digits than its factorization.

423052135403442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7050164122.

The product of its (nonzero) digits is 1382400, while the sum is 42.

Adding to 423052135403442 its reverse (244304531250324), we get a palindrome (667356666653766).

The spelling of 423052135403442 in words is "four hundred twenty-three trillion, fifty-two billion, one hundred thirty-five million, four hundred three thousand, four hundred forty-two".