423302323432240 has 80 divisors (see below), whose sum is σ = 1173677994943488. Its totient is φ = 138822128425728.

The previous prime is 423302323432237. The next prime is 423302323432271. The reversal of 423302323432240 is 42234323203324.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 423302323432240.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16432530732 + ... + 16432556491.

Almost surely, 2^{423302323432240} is an apocalyptic number.

423302323432240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

423302323432240 is an abundant number, since it is smaller than the sum of its proper divisors (750375671511248).

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

423302323432240 is a wasteful number, since it uses less digits than its factorization.

423302323432240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32865087266 (or 32865087260 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 37.

Adding to 423302323432240 its reverse (42234323203324), we get a palindrome (465536646635564).

The spelling of 423302323432240 in words is "four hundred twenty-three trillion, three hundred two billion, three hundred twenty-three million, four hundred thirty-two thousand, two hundred forty".