423533635340 has 12 divisors (see below), whose sum is σ = 889420634256. Its totient is φ = 169413454128.

The previous prime is 423533635331. The next prime is 423533635367. The reversal of 423533635340 is 43536335324.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10588340864 + ... + 10588340903.

It is an arithmetic number, because the mean of its divisors is an integer number (74118386188).

Almost surely, 2^423533635340 is an apocalyptic number.

It is an amenable number.

423533635340 is an abundant number, since it is smaller than the sum of its proper divisors (465886998916).

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

423533635340 is a wasteful number, since it uses less digits than its factorization.

423533635340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21176681776 (or 21176681774 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 41.

The spelling of 423533635340 in words is "four hundred twenty-three billion, five hundred thirty-three million, six hundred thirty-five thousand, three hundred forty".