123213233 has 32 divisors (see below), whose sum is σ = 154224000. Its totient is φ = 96768000.

The previous prime is 123213203. The next prime is 123213247. The reversal of 123213233 is 332312321.

It is a cyclic number.

It is not a de Polignac number, because 123213233 - 2⁶ = 123213169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123213203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 274193 + ... + 274641.

It is an arithmetic number, because the mean of its divisors is an integer number (4819500).

Almost surely, 2^123213233 is an apocalyptic number.

123213233 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

123213233 is a deficient number, since it is larger than the sum of its proper divisors (31010767).

123213233 is a wasteful number, since it uses less digits than its factorization.

123213233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593.

The product of its digits is 648, while the sum is 20.

The square root of 123213233 is about 11100.1456296753. The cubic root of 123213233 is about 497.6062017494.

Adding to 123213233 its reverse (332312321), we get a palindrome (455525554).

The spelling of 123213233 in words is "one hundred twenty-three million, two hundred thirteen thousand, two hundred thirty-three".