423135306564 has 24 divisors (see below), whose sum is σ = 990112653600. Its totient is φ = 140645539584.

The previous prime is 423135306547. The next prime is 423135306577. The reversal of 423135306564 is 465603531324.

It is a super-2 number, since 2×423135306564² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49940914 + ... + 49949385.

It is an arithmetic number, because the mean of its divisors is an integer number (41254693900).

Almost surely, 2^423135306564 is an apocalyptic number.

It is an amenable number.

423135306564 is an abundant number, since it is smaller than the sum of its proper divisors (566977347036).

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

423135306564 is a wasteful number, since it uses less digits than its factorization.

423135306564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99890659 (or 99890657 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 42.

Adding to 423135306564 its reverse (465603531324), we get a palindrome (888738837888).

The spelling of 423135306564 in words is "four hundred twenty-three billion, one hundred thirty-five million, three hundred six thousand, five hundred sixty-four".