123200233 has 4 divisors (see below), whose sum is σ = 132677188. Its totient is φ = 113723280.

The previous prime is 123200219. The next prime is 123200239. The reversal of 123200233 is 332002321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 79798489 + 43401744 = 8933^2 + 6588^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123200233 is a prime.

It is a super-2 number, since 2×123200233² = 30356594822508578, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123200239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4738458 + ... + 4738483.

It is an arithmetic number, because the mean of its divisors is an integer number (33169297).

Almost surely, 2^123200233 is an apocalyptic number.

123200233 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

123200233 is a deficient number, since it is larger than the sum of its proper divisors (9476955).

123200233 is an equidigital number, since it uses as much as digits as its factorization.

123200233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9476954.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 123200233 is about 11099.5600363258. The cubic root of 123200233 is about 497.5887006309.

Adding to 123200233 its reverse (332002321), we get a palindrome (455202554).

The spelling of 123200233 in words is "one hundred twenty-three million, two hundred thousand, two hundred thirty-three".