220311230032223 has 24 divisors (see below), whose sum is σ = 245567741928960. Its totient is φ = 196016958511920.

The previous prime is 220311230032219. The next prime is 220311230032249. The reversal of 220311230032223 is 322230032113022.

It is not a de Polignac number, because 220311230032223 - 2² = 220311230032219 is a prime.

It is a super-2 number, since 2×220311230032223² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 220311230032192 and 220311230032201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220311230032123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1405837490 + ... + 1405994192.

It is an arithmetic number, because the mean of its divisors is an integer number (10231989247040).

Almost surely, 2^{220311230032223} is an apocalyptic number.

220311230032223 is a deficient number, since it is larger than the sum of its proper divisors (25256511896737).

220311230032223 is a wasteful number, since it uses less digits than its factorization.

220311230032223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214667 (or 214620 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 220311230032223 its reverse (322230032113022), we get a palindrome (542541262145245).

The spelling of 220311230032223 in words is "two hundred twenty trillion, three hundred eleven billion, two hundred thirty million, thirty-two thousand, two hundred twenty-three".