123233028 has 24 divisors (see below), whose sum is σ = 287844480. Its totient is φ = 41034720.

The previous prime is 123233021. The next prime is 123233041. The reversal of 123233028 is 820332321.

It is a junction number, because it is equal to n+sod(n) for n = 123232989 and 123233007.

It is not an unprimeable number, because it can be changed into a prime (123233021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7893 + ... + 17571.

It is an arithmetic number, because the mean of its divisors is an integer number (11993520).

Almost surely, 2^123233028 is an apocalyptic number.

It is an amenable number.

123233028 is an abundant number, since it is smaller than the sum of its proper divisors (164611452).

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

123233028 is a wasteful number, since it uses less digits than its factorization.

123233028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10747 (or 10745 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 123233028 is about 11101.0372488340. The cubic root of 123233028 is about 497.6328482036.

Adding to 123233028 its reverse (820332321), we get a palindrome (943565349).

It can be divided in two parts, 12323 and 3028, that added together give a palindrome (15351).

The spelling of 123233028 in words is "one hundred twenty-three million, two hundred thirty-three thousand, twenty-eight".