423442112040423 has 18 divisors (see below), whose sum is σ = 711497970572064. Its totient is φ = 241966921165704.

The previous prime is 423442112040421. The next prime is 423442112040427. The reversal of 423442112040423 is 324040211244324.

423442112040423 is a `hidden beast` number, since 4 + 2 + 3 + 4 + 4 + 21 + 1 + 204 + 0 + 423 = 666.

It is not a de Polignac number, because 423442112040423 - 2¹ = 423442112040421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423442112040421) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 480093097111 + ... + 480093097992.

Almost surely, 2^{423442112040423} is an apocalyptic number.

423442112040423 is a deficient number, since it is larger than the sum of its proper divisors (288055858531641).

423442112040423 is a wasteful number, since it uses less digits than its factorization.

423442112040423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 960186195123 (or 960186195113 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 36.

Adding to 423442112040423 its reverse (324040211244324), we get a palindrome (747482323284747).

The spelling of 423442112040423 in words is "four hundred twenty-three trillion, four hundred forty-two billion, one hundred twelve million, forty thousand, four hundred twenty-three".