423355205524 has 24 divisors (see below), whose sum is σ = 741734884800. Its totient is φ = 211431066624.

The previous prime is 423355205509. The next prime is 423355205569. The reversal of 423355205524 is 425502553324.

It is a super-3 number, since 3×423355205524³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

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, 18081177 + ... + 18104575.

It is an arithmetic number, because the mean of its divisors is an integer number (30905620200).

Almost surely, 2^423355205524 is an apocalyptic number.

It is an amenable number.

423355205524 is a deficient number, since it is larger than the sum of its proper divisors (318379679276).

423355205524 is a wasteful number, since it uses less digits than its factorization.

423355205524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28479 (or 28477 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 40.

Adding to 423355205524 its reverse (425502553324), we get a palindrome (848857758848).

The spelling of 423355205524 in words is "four hundred twenty-three billion, three hundred fifty-five million, two hundred five thousand, five hundred twenty-four".