4223401401321 has 10 divisors (see below), whose sum is σ = 6309031723082. Its totient is φ = 2815600934160.

The previous prime is 4223401401293. The next prime is 4223401401353. The reversal of 4223401401321 is 1231041043224.

4223401401321 is a `hidden beast` number, since 4 + 2 + 234 + 0 + 1 + 401 + 3 + 21 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4031806980096 + 191594421225 = 2007936^2 + 437715^2 .

It is not a de Polignac number, because 4223401401321 - 2⁶ = 4223401401257 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4223401401361) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 26070378940 + ... + 26070379101.

Almost surely, 2^{4223401401321} is an apocalyptic number.

It is an amenable number.

4223401401321 is a deficient number, since it is larger than the sum of its proper divisors (2085630321761).

4223401401321 is an equidigital number, since it uses as much as digits as its factorization.

4223401401321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52140758053 (or 52140758044 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 4223401401321 its reverse (1231041043224), we get a palindrome (5454442444545).

The spelling of 4223401401321 in words is "four trillion, two hundred twenty-three billion, four hundred one million, four hundred one thousand, three hundred twenty-one".