423320024442 has 64 divisors (see below), whose sum is σ = 1009754210304. Its totient is φ = 115678886400.

The previous prime is 423320024423. The next prime is 423320024443. The reversal of 423320024442 is 244420023324.

It is a super-2 number, since 2×423320024442² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (423320024443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19586442 + ... + 19608042.

It is an arithmetic number, because the mean of its divisors is an integer number (15777409536).

Almost surely, 2^423320024442 is an apocalyptic number.

423320024442 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

423320024442 is an abundant number, since it is smaller than the sum of its proper divisors (586434185862).

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

423320024442 is a wasteful number, since it uses less digits than its factorization.

423320024442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41923.

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

Adding to 423320024442 its reverse (244420023324), we get a palindrome (667740047766).

The spelling of 423320024442 in words is "four hundred twenty-three billion, three hundred twenty million, twenty-four thousand, four hundred forty-two".