223123313012 has 24 divisors (see below), whose sum is σ = 397270228320. Its totient is φ = 109619308640.

The previous prime is 223123313011. The next prime is 223123313033. The reversal of 223123313012 is 210313321322.

It is a super-3 number, since 3×223123313012³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223123313011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 284483 + ... + 726069.

It is an arithmetic number, because the mean of its divisors is an integer number (16552926180).

Almost surely, 2^223123313012 is an apocalyptic number.

It is an amenable number.

223123313012 is a deficient number, since it is larger than the sum of its proper divisors (174146915308).

223123313012 is a wasteful number, since it uses less digits than its factorization.

223123313012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443791 (or 443789 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 223123313012 its reverse (210313321322), we get a palindrome (433436634334).

The spelling of 223123313012 in words is "two hundred twenty-three billion, one hundred twenty-three million, three hundred thirteen thousand, twelve".