223111123002 has 32 divisors (see below), whose sum is σ = 524967350400. Its totient is φ = 69995646144.

The previous prime is 223111122979. The next prime is 223111123051. The reversal of 223111123002 is 200321111322.

It is a super-3 number, since 3×223111123002³ (a number of 35 digits) contains 333 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121519302 + ... + 121521137.

It is an arithmetic number, because the mean of its divisors is an integer number (16405229700).

Almost surely, 2^223111123002 is an apocalyptic number.

223111123002 is an abundant number, since it is smaller than the sum of its proper divisors (301856227398).

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

223111123002 is a wasteful number, since it uses less digits than its factorization.

223111123002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243040467 (or 243040461 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 223111123002 its reverse (200321111322), we get a palindrome (423432234324).

The spelling of 223111123002 in words is "two hundred twenty-three billion, one hundred eleven million, one hundred twenty-three thousand, two".