4021423122793 has 2 divisors, whose sum is σ = 4021423122794. Its totient is φ = 4021423122792.

The previous prime is 4021423122733. The next prime is 4021423122863. The reversal of 4021423122793 is 3972213241204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3416002187049 + 605420935744 = 1848243^2 + 778088^2 .

It is a cyclic number.

It is not a de Polignac number, because 4021423122793 - 2¹⁷ = 4021422991721 is a prime.

It is a super-2 number, since 2×4021423122793² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4021423122733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2010711561396 + 2010711561397.

It is an arithmetic number, because the mean of its divisors is an integer number (2010711561397).

Almost surely, 2^{4021423122793} is an apocalyptic number.

It is an amenable number.

4021423122793 is a deficient number, since it is larger than the sum of its proper divisors (1).

4021423122793 is an equidigital number, since it uses as much as digits as its factorization.

4021423122793 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 40.

Adding to 4021423122793 its reverse (3972213241204), we get a palindrome (7993636363997).

The spelling of 4021423122793 in words is "four trillion, twenty-one billion, four hundred twenty-three million, one hundred twenty-two thousand, seven hundred ninety-three".