123206033 has 2 divisors, whose sum is σ = 123206034. Its totient is φ = 123206032.

The previous prime is 123206029. The next prime is 123206053. The reversal of 123206033 is 330602321.

It is an a-pointer prime, because the next prime (123206053) can be obtained adding 123206033 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120275089 + 2930944 = 10967^2 + 1712^2 .

It is a cyclic number.

It is not a de Polignac number, because 123206033 - 2² = 123206029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123205996 and 123206014.

It is not a weakly prime, because it can be changed into another prime (123206023) 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 as a sum of consecutive naturals, namely, 61603016 + 61603017.

It is an arithmetic number, because the mean of its divisors is an integer number (61603017).

Almost surely, 2^123206033 is an apocalyptic number.

It is an amenable number.

123206033 is a deficient number, since it is larger than the sum of its proper divisors (1).

123206033 is an equidigital number, since it uses as much as digits as its factorization.

123206033 is an odious number, because the sum of its binary digits is odd.

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

The square root of 123206033 is about 11099.8213048679. The cubic root of 123206033 is about 497.5965089743.

Adding to 123206033 its reverse (330602321), we get a palindrome (453808354).

The spelling of 123206033 in words is "one hundred twenty-three million, two hundred six thousand, thirty-three".