223023221310 has 64 divisors (see below), whose sum is σ = 549934336512. Its totient is φ = 57843144576.

The previous prime is 223023221293. The next prime is 223023221327. The reversal of 223023221310 is 13122320322.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (223023221293) and next prime (223023221327).

It is a super-2 number, since 2×223023221310² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2940687 + ... + 3015573.

It is an arithmetic number, because the mean of its divisors is an integer number (8592724008).

Almost surely, 2^223023221310 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223023221310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (274967168256).

223023221310 is an abundant number, since it is smaller than the sum of its proper divisors (326911115202).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

223023221310 is a wasteful number, since it uses less digits than its factorization.

223023221310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77617.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 223023221310 its reverse (13122320322), we get a palindrome (236145541632).

The spelling of 223023221310 in words is "two hundred twenty-three billion, twenty-three million, two hundred twenty-one thousand, three hundred ten".