4423021512223 has 2 divisors, whose sum is σ = 4423021512224. Its totient is φ = 4423021512222.

The previous prime is 4423021512209. The next prime is 4423021512277. The reversal of 4423021512223 is 3222151203244.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4423021512223 - 2²¹ = 4423019415071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4423021515223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2211510756111 + 2211510756112.

It is an arithmetic number, because the mean of its divisors is an integer number (2211510756112).

Almost surely, 2^{4423021512223} is an apocalyptic number.

4423021512223 is a deficient number, since it is larger than the sum of its proper divisors (1).

4423021512223 is an equidigital number, since it uses as much as digits as its factorization.

4423021512223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 4423021512223 its reverse (3222151203244), we get a palindrome (7645172715467).

The spelling of 4423021512223 in words is "four trillion, four hundred twenty-three billion, twenty-one million, five hundred twelve thousand, two hundred twenty-three".