223121233132 has 24 divisors (see below), whose sum is σ = 446462512160. Its totient is φ = 95576232960.

The previous prime is 223121233121. The next prime is 223121233169. The reversal of 223121233132 is 231332121322.

It is a super-3 number, since 3×223121233132³ (a number of 35 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 223121233097 and 223121233106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1906869 + ... + 2020492.

Almost surely, 2^223121233132 is an apocalyptic number.

It is an amenable number.

223121233132 is an abundant number, since it is smaller than the sum of its proper divisors (223341279028).

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

223121233132 is a wasteful number, since it uses less digits than its factorization.

223121233132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3929401 (or 3929399 counting only the distinct ones).

The product of its digits is 2592, while the sum is 25.

Adding to 223121233132 its reverse (231332121322), we get a palindrome (454453354454).

The spelling of 223121233132 in words is "two hundred twenty-three billion, one hundred twenty-one million, two hundred thirty-three thousand, one hundred thirty-two".