423631342663641 has 128 divisors (see below), whose sum is σ = 748983117312000. Its totient is φ = 231525920650752.

The previous prime is 423631342663609. The next prime is 423631342663663. The reversal of 423631342663641 is 146366243136324.

423631342663641 is a `hidden beast` number, since 4 + 2 + 3 + 6 + 3 + 13 + 4 + 266 + 364 + 1 = 666.

It is not a de Polignac number, because 423631342663641 - 2⁵ = 423631342663609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (423631342663241) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 14033553750 + ... + 14033583936.

It is an arithmetic number, because the mean of its divisors is an integer number (5851430604000).

Almost surely, 2^{423631342663641} is an apocalyptic number.

It is an amenable number.

423631342663641 is a deficient number, since it is larger than the sum of its proper divisors (325351774648359).

423631342663641 is a wasteful number, since it uses less digits than its factorization.

423631342663641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54268 (or 54262 counting only the distinct ones).

The product of its digits is 26873856, while the sum is 54.

Adding to 423631342663641 its reverse (146366243136324), we get a palindrome (569997585799965).

The spelling of 423631342663641 in words is "four hundred twenty-three trillion, six hundred thirty-one billion, three hundred forty-two million, six hundred sixty-three thousand, six hundred forty-one".