422420004423 has 40 divisors (see below), whose sum is σ = 637211071200. Its totient is φ = 278863300800.

The previous prime is 422420004329. The next prime is 422420004491. The reversal of 422420004423 is 324400024224.

It is a de Polignac number, because none of the positive numbers 2^k-422420004423 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422420004623) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3822753 + ... + 3931701.

It is an arithmetic number, because the mean of its divisors is an integer number (15930276780).

Almost surely, 2^422420004423 is an apocalyptic number.

422420004423 is a deficient number, since it is larger than the sum of its proper divisors (214791066777).

422420004423 is a wasteful number, since it uses less digits than its factorization.

422420004423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109429 (or 109420 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 27.

Adding to 422420004423 its reverse (324400024224), we get a palindrome (746820028647).

The spelling of 422420004423 in words is "four hundred twenty-two billion, four hundred twenty million, four thousand, four hundred twenty-three".