523632642422 has 16 divisors (see below), whose sum is σ = 810843264000. Its totient is φ = 253352746920.

The previous prime is 523632642409. The next prime is 523632642433. The reversal of 523632642422 is 224246236325.

It is a happy number.

It is a super-2 number, since 2×523632642422² (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 523632642422.

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, 609329 + ... + 1191027.

It is an arithmetic number, because the mean of its divisors is an integer number (50677704000).

Almost surely, 2^523632642422 is an apocalyptic number.

523632642422 is a deficient number, since it is larger than the sum of its proper divisors (287210621578).

523632642422 is a wasteful number, since it uses less digits than its factorization.

523632642422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596251.

The product of its digits is 829440, while the sum is 41.

Adding to 523632642422 its reverse (224246236325), we get a palindrome (747878878747).

The spelling of 523632642422 in words is "five hundred twenty-three billion, six hundred thirty-two million, six hundred forty-two thousand, four hundred twenty-two".