423324332240 has 40 divisors (see below), whose sum is σ = 984669465960. Its totient is φ = 169253966336.

The previous prime is 423324332213. The next prime is 423324332369. The reversal of 423324332240 is 42233423324.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 246961290304 + 176363041936 = 496952^2 + 419956^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 423324332197 and 423324332206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1003775 + ... + 1361694.

It is an arithmetic number, because the mean of its divisors is an integer number (24616736649).

Almost surely, 2^423324332240 is an apocalyptic number.

423324332240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

423324332240 is an abundant number, since it is smaller than the sum of its proper divisors (561345133720).

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

423324332240 is a wasteful number, since it uses less digits than its factorization.

423324332240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2367719 (or 2367713 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 32.

Adding to 423324332240 its reverse (42233423324), we get a palindrome (465557755564).

The spelling of 423324332240 in words is "four hundred twenty-three billion, three hundred twenty-four million, three hundred thirty-two thousand, two hundred forty".