423120221022 has 64 divisors (see below), whose sum is σ = 899510883840. Its totient is φ = 132227168256.

The previous prime is 423120221011. The next prime is 423120221081. The reversal of 423120221022 is 220122021324.

It is a super-2 number, since 2×423120221022² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 423120221022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35769873 + ... + 35781699.

It is an arithmetic number, because the mean of its divisors is an integer number (14054857560).

Almost surely, 2^423120221022 is an apocalyptic number.

423120221022 is an abundant number, since it is smaller than the sum of its proper divisors (476390662818).

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

423120221022 is a wasteful number, since it uses less digits than its factorization.

423120221022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13185.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 423120221022 its reverse (220122021324), we get a palindrome (643242242346).

The spelling of 423120221022 in words is "four hundred twenty-three billion, one hundred twenty million, two hundred twenty-one thousand, twenty-two".