123306233 has 2 divisors, whose sum is σ = 123306234. Its totient is φ = 123306232.

The previous prime is 123306223. The next prime is 123306247. The reversal of 123306233 is 332603321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 122832889 + 473344 = 11083^2 + 688^2 .

It is a cyclic number.

It is not a de Polignac number, because 123306233 - 2¹⁶ = 123240697 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123306199 and 123306208.

It is not a weakly prime, because it can be changed into another prime (123306203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61653116 + 61653117.

It is an arithmetic number, because the mean of its divisors is an integer number (61653117).

Almost surely, 2^123306233 is an apocalyptic number.

It is an amenable number.

123306233 is a deficient number, since it is larger than the sum of its proper divisors (1).

123306233 is an equidigital number, since it uses as much as digits as its factorization.

123306233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 23.

The square root of 123306233 is about 11104.3339737240. Note that the first 3 decimals coincide. The cubic root of 123306233 is about 497.7313661691.

Adding to 123306233 its reverse (332603321), we get a palindrome (455909554).

The spelling of 123306233 in words is "one hundred twenty-three million, three hundred six thousand, two hundred thirty-three".