123321033 has 48 divisors (see below), whose sum is σ = 202625280. Its totient is φ = 71618400.

The previous prime is 123320999. The next prime is 123321041. The reversal of 123321033 is 330123321.

It is not a de Polignac number, because 123321033 - 2⁶ = 123320969 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123320997 and 123321015.

It is not an unprimeable number, because it can be changed into a prime (123321053) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 250918 + ... + 251408.

It is an arithmetic number, because the mean of its divisors is an integer number (4221360).

Almost surely, 2^123321033 is an apocalyptic number.

It is an amenable number.

123321033 is a deficient number, since it is larger than the sum of its proper divisors (79304247).

123321033 is a wasteful number, since it uses less digits than its factorization.

123321033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610 (or 607 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 123321033 is about 11105.0003601981. Note that the first 3 decimals coincide. The cubic root of 123321033 is about 497.7512790027.

Adding to 123321033 its reverse (330123321), we get a palindrome (453444354).

The spelling of 123321033 in words is "one hundred twenty-three million, three hundred twenty-one thousand, thirty-three".