423342342444 has 96 divisors (see below), whose sum is σ = 1199456778240. Its totient is φ = 113839846656.

The previous prime is 423342342433. The next prime is 423342342503. The reversal of 423342342444 is 444243243324.

It is a nude number because it is divisible by every one of its digits.

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, 100212 + ... + 925595.

It is an arithmetic number, because the mean of its divisors is an integer number (12494341440).

Almost surely, 2^423342342444 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423342342444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (599728389120).

423342342444 is an abundant number, since it is smaller than the sum of its proper divisors (776114435796).

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

423342342444 is a wasteful number, since it uses less digits than its factorization.

423342342444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1025872 (or 1025836 counting only the distinct ones).

The product of its digits is 884736, while the sum is 39.

Adding to 423342342444 its reverse (444243243324), we get a palindrome (867585585768).

The spelling of 423342342444 in words is "four hundred twenty-three billion, three hundred forty-two million, three hundred forty-two thousand, four hundred forty-four".