4021423122794 has 64 divisors (see below), whose sum is σ = 7684735610880. Its totient is φ = 1532625814080.

The previous prime is 4021423122793. The next prime is 4021423122863. The reversal of 4021423122794 is 4972213241204.

It is not an unprimeable number, because it can be changed into a prime (4021423122793) 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, 13364552 + ... + 13662140.

It is an arithmetic number, because the mean of its divisors is an integer number (120073993920).

Almost surely, 2^{4021423122794} is an apocalyptic number.

4021423122794 is a deficient number, since it is larger than the sum of its proper divisors (3663312488086).

4021423122794 is a wasteful number, since it uses less digits than its factorization.

4021423122794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299523.

The product of its (nonzero) digits is 193536, while the sum is 41.

Adding to 4021423122794 its reverse (4972213241204), we get a palindrome (8993636363998).

The spelling of 4021423122794 in words is "four trillion, twenty-one billion, four hundred twenty-three million, one hundred twenty-two thousand, seven hundred ninety-four".