42200446423 has 4 divisors (see below), whose sum is σ = 42202475928. Its totient is φ = 42198416920.

The previous prime is 42200446399. The next prime is 42200446439. The reversal of 42200446423 is 32464400224.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42200446423 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42200440423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 983236 + ... + 1025257.

It is an arithmetic number, because the mean of its divisors is an integer number (10550618982).

Almost surely, 2^42200446423 is an apocalyptic number.

42200446423 is a deficient number, since it is larger than the sum of its proper divisors (2029505).

42200446423 is a wasteful number, since it uses less digits than its factorization.

42200446423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2029504.

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 42200446423 its reverse (32464400224), we get a palindrome (74664846647).

The spelling of 42200446423 in words is "forty-two billion, two hundred million, four hundred forty-six thousand, four hundred twenty-three".