423220400322042 has 32 divisors (see below), whose sum is σ = 862416723431808. Its totient is φ = 138410845949376.

The previous prime is 423220400322023. The next prime is 423220400322059. The reversal of 423220400322042 is 240223004022324.

It is a super-2 number, since 2×423220400322042² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48349008 + ... + 56427540.

It is an arithmetic number, because the mean of its divisors is an integer number (26950522607244).

Almost surely, 2^{423220400322042} is an apocalyptic number.

423220400322042 is an abundant number, since it is smaller than the sum of its proper divisors (439196323109766).

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

423220400322042 is a wasteful number, since it uses less digits than its factorization.

423220400322042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8243334.

The product of its (nonzero) digits is 36864, while the sum is 30.

Adding to 423220400322042 its reverse (240223004022324), we get a palindrome (663443404344366).

The spelling of 423220400322042 in words is "four hundred twenty-three trillion, two hundred twenty billion, four hundred million, three hundred twenty-two thousand, forty-two".