1233221123 has 8 divisors (see below), whose sum is σ = 1336130928. Its totient is φ = 1133685504.

The previous prime is 1233221111. The next prime is 1233221131. The reversal of 1233221123 is 3211223321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1233221123 - 2¹⁶ = 1233155587 is a prime.

It is a super-2 number, since 2×1233221123² = 3041668676426762258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1233221095 and 1233221104.

It is not an unprimeable number, because it can be changed into a prime (1233220123) 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, 842786 + ... + 844247.

It is an arithmetic number, because the mean of its divisors is an integer number (167016366).

Almost surely, 2^1233221123 is an apocalyptic number.

1233221123 is a deficient number, since it is larger than the sum of its proper divisors (102909805).

1233221123 is a wasteful number, since it uses less digits than its factorization.

1233221123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1687093.

The product of its digits is 432, while the sum is 20.

The square root of 1233221123 is about 35117.2482264770. The cubic root of 1233221123 is about 1072.3757509340.

Adding to 1233221123 its reverse (3211223321), we get a palindrome (4444444444).

The spelling of 1233221123 in words is "one billion, two hundred thirty-three million, two hundred twenty-one thousand, one hundred twenty-three".