423631342663525 has 48 divisors (see below), whose sum is σ = 572147048995200. Its totient is φ = 309926523836160.

The previous prime is 423631342663433. The next prime is 423631342663549. The reversal of 423631342663525 is 525366243136324.

It is a happy number.

It is not a de Polignac number, because 423631342663525 - 2¹⁹ = 423631342139237 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 57450267 + ... + 64403383.

It is an arithmetic number, because the mean of its divisors is an integer number (11919730187400).

Almost surely, 2^{423631342663525} is an apocalyptic number.

It is an amenable number.

423631342663525 is a deficient number, since it is larger than the sum of its proper divisors (148515706331675).

423631342663525 is a wasteful number, since it uses less digits than its factorization.

423631342663525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6957598 (or 6957593 counting only the distinct ones).

The product of its digits is 55987200, while the sum is 55.

Adding to 423631342663525 its reverse (525366243136324), we get a palindrome (948997585799849).

The spelling of 423631342663525 in words is "four hundred twenty-three trillion, six hundred thirty-one billion, three hundred forty-two million, six hundred sixty-three thousand, five hundred twenty-five".