4023221423004 has 120 divisors (see below), whose sum is σ = 12020853218528. Its totient is φ = 1149409751040.

The previous prime is 4023221422943. The next prime is 4023221423027. The reversal of 4023221423004 is 4003241223204.

4023221423004 is a `hidden beast` number, since 4 + 0 + 232 + 2 + 1 + 423 + 0 + 0 + 4 = 666.

It is a super-3 number, since 3×4023221423004³ (a number of 39 digits) contains 333 as substring.

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

It is a congruent number.

It is an unprimeable number.

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 39 ways as a sum of consecutive naturals, for example, 36307524 + ... + 36418164.

Almost surely, 2^{4023221423004} is an apocalyptic number.

It is an amenable number.

4023221423004 is an abundant number, since it is smaller than the sum of its proper divisors (7997631795524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4023221423004 is a wasteful number, since it uses less digits than its factorization.

4023221423004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126697 (or 126686 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 4023221423004 its reverse (4003241223204), we get a palindrome (8026462646208).

The spelling of 4023221423004 in words is "four trillion, twenty-three billion, two hundred twenty-one million, four hundred twenty-three thousand, four".