423505335340 has 24 divisors (see below), whose sum is σ = 895852897632. Its totient is φ = 168165621120.

The previous prime is 423505335301. The next prime is 423505335347. The reversal of 423505335340 is 43533505324.

It is a super-2 number, since 2×423505335340² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 423505335340.

It is not an unprimeable number, because it can be changed into a prime (423505335347) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 77279256 + ... + 77284735.

It is an arithmetic number, because the mean of its divisors is an integer number (37327204068).

Almost surely, 2^423505335340 is an apocalyptic number.

It is an amenable number.

423505335340 is an abundant number, since it is smaller than the sum of its proper divisors (472347562292).

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

423505335340 is a wasteful number, since it uses less digits than its factorization.

423505335340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154564137 (or 154564135 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 37.

The spelling of 423505335340 in words is "four hundred twenty-three billion, five hundred five million, three hundred thirty-five thousand, three hundred forty".