223031301012 has 120 divisors (see below), whose sum is σ = 630484547616. Its totient is φ = 68624700768.

The previous prime is 223031300977. The next prime is 223031301019. The reversal of 223031301012 is 210103130322.

It is a super-2 number, since 2×223031301012² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223031301019) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 914563 + ... + 1132469.

Almost surely, 2^223031301012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223031301012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (315242273808).

223031301012 is an abundant number, since it is smaller than the sum of its proper divisors (407453246604).

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

223031301012 is an equidigital number, since it uses as much as digits as its factorization.

223031301012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217951 (or 217925 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 223031301012 its reverse (210103130322), we get a palindrome (433134431334).

The spelling of 223031301012 in words is "two hundred twenty-three billion, thirty-one million, three hundred one thousand, twelve".