423220342433122 has 16 divisors (see below), whose sum is σ = 713388135741120. Its totient is φ = 186839749836432.

The previous prime is 423220342433023. The next prime is 423220342433129. The reversal of 423220342433122 is 221334243022324.

It is a happy number.

It is a super-2 number, since 2×423220342433122² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (423220342433129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 353863161972 + ... + 353863163167.

It is an arithmetic number, because the mean of its divisors is an integer number (44586758483820).

Almost surely, 2^{423220342433122} is an apocalyptic number.

423220342433122 is a deficient number, since it is larger than the sum of its proper divisors (290167793307998).

423220342433122 is a wasteful number, since it uses less digits than its factorization.

423220342433122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707726325177.

The product of its (nonzero) digits is 331776, while the sum is 37.

Adding to 423220342433122 its reverse (221334243022324), we get a palindrome (644554585455446).

The spelling of 423220342433122 in words is "four hundred twenty-three trillion, two hundred twenty billion, three hundred forty-two million, four hundred thirty-three thousand, one hundred twenty-two".