423113212240 has 20 divisors (see below), whose sum is σ = 983738218644. Its totient is φ = 169245284864.

The previous prime is 423113212199. The next prime is 423113212351. The reversal of 423113212240 is 42212311324.

It can be written as a sum of positive squares in 2 ways, for example, as 226694063376 + 196419148864 = 476124^2 + 443192^2 .

It is a tau number, because it is divible by the number of its divisors (20).

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 3 ways as a sum of consecutive naturals, for example, 2644457497 + ... + 2644457656.

Almost surely, 2^423113212240 is an apocalyptic number.

423113212240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

423113212240 is an abundant number, since it is smaller than the sum of its proper divisors (560625006404).

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

423113212240 is a wasteful number, since it uses less digits than its factorization.

423113212240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5288915166 (or 5288915160 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 423113212240 its reverse (42212311324), we get a palindrome (465325523564).

The spelling of 423113212240 in words is "four hundred twenty-three billion, one hundred thirteen million, two hundred twelve thousand, two hundred forty".