123033217 has 2 divisors, whose sum is σ = 123033218. Its totient is φ = 123033216.

The previous prime is 123033181. The next prime is 123033221. The reversal of 123033217 is 712330321.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73977201 + 49056016 = 8601^2 + 7004^2 .

It is a cyclic number.

It is not a de Polignac number, because 123033217 - 2¹¹ = 123031169 is a prime.

It is a super-3 number, since 3×123033217³ (a number of 25 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (123033247) 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 as a sum of consecutive naturals, namely, 61516608 + 61516609.

It is an arithmetic number, because the mean of its divisors is an integer number (61516609).

Almost surely, 2^123033217 is an apocalyptic number.

It is an amenable number.

123033217 is a deficient number, since it is larger than the sum of its proper divisors (1).

123033217 is an equidigital number, since it uses as much as digits as its factorization.

123033217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 123033217 is about 11092.0339433307. The cubic root of 123033217 is about 497.3637474402.

Adding to 123033217 its reverse (712330321), we get a palindrome (835363538).

The spelling of 123033217 in words is "one hundred twenty-three million, thirty-three thousand, two hundred seventeen".