220001443323023 has 16 divisors (see below), whose sum is σ = 220815234108000. Its totient is φ = 219189005494272.

The previous prime is 220001443322951. The next prime is 220001443323071. The reversal of 220001443323023 is 320323344100022.

It is a cyclic number.

It is not a de Polignac number, because 220001443323023 - 2³⁶ = 219932723846287 is a prime.

It is a super-4 number, since 4×220001443323023⁴ (a number of 58 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220001443329023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4635586868 + ... + 4635634326.

It is an arithmetic number, because the mean of its divisors is an integer number (13800952131750).

Almost surely, 2^{220001443323023} is an apocalyptic number.

220001443323023 is a deficient number, since it is larger than the sum of its proper divisors (813790784977).

220001443323023 is a wasteful number, since it uses less digits than its factorization.

220001443323023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61354.

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 220001443323023 its reverse (320323344100022), we get a palindrome (540324787423045).

The spelling of 220001443323023 in words is "two hundred twenty trillion, one billion, four hundred forty-three million, three hundred twenty-three thousand, twenty-three".