42204403423 has 32 divisors (see below), whose sum is σ = 52806297600. Its totient is φ = 32839741440.

The previous prime is 42204403393. The next prime is 42204403459. The reversal of 42204403423 is 32430440224.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 42204403423 - 2²¹ = 42202306271 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42204403391 and 42204403400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42204403463) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3902778 + ... + 3913576.

It is an arithmetic number, because the mean of its divisors is an integer number (1650196800).

Almost surely, 2^42204403423 is an apocalyptic number.

42204403423 is a deficient number, since it is larger than the sum of its proper divisors (10601894177).

42204403423 is a wasteful number, since it uses less digits than its factorization.

42204403423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11527.

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 42204403423 its reverse (32430440224), we get a palindrome (74634843647).

The spelling of 42204403423 in words is "forty-two billion, two hundred four million, four hundred three thousand, four hundred twenty-three".