423424412442 has 28 divisors (see below), whose sum is σ = 952269309450. Its totient is φ = 141141470328.

The previous prime is 423424412417. The next prime is 423424412473. The reversal of 423424412442 is 244214424324.

423424412442 is a `hidden beast` number, since 4 + 234 + 2 + 4 + 412 + 4 + 4 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 292271065641 + 131153346801 = 540621^2 + 362151^2 .

It is a junction number, because it is equal to n+sod(n) for n = 423424412397 and 423424412406.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 145205817 + ... + 145208732.

Almost surely, 2^423424412442 is an apocalyptic number.

423424412442 is an abundant number, since it is smaller than the sum of its proper divisors (528844897008).

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

423424412442 is an equidigital number, since it uses as much as digits as its factorization.

423424412442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290414569 (or 290414554 counting only the distinct ones).

The product of its digits is 196608, while the sum is 36.

Adding to 423424412442 its reverse (244214424324), we get a palindrome (667638836766).

The spelling of 423424412442 in words is "four hundred twenty-three billion, four hundred twenty-four million, four hundred twelve thousand, four hundred forty-two".