123340201 has 2 divisors, whose sum is σ = 123340202. Its totient is φ = 123340200.

The previous prime is 123340183. The next prime is 123340271. The reversal of 123340201 is 102043321.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119880601 + 3459600 = 10949^2 + 1860^2 .

It is a cyclic number.

It is not a de Polignac number, because 123340201 - 2⁷ = 123340073 is a prime.

It is not a weakly prime, because it can be changed into another prime (123340271) 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, 61670100 + 61670101.

It is an arithmetic number, because the mean of its divisors is an integer number (61670101).

Almost surely, 2^123340201 is an apocalyptic number.

It is an amenable number.

123340201 is a deficient number, since it is larger than the sum of its proper divisors (1).

123340201 is an equidigital number, since it uses as much as digits as its factorization.

123340201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 123340201 is about 11105.8633613060. The cubic root of 123340201 is about 497.7770664455. Note that the first 3 decimals are identical.

Adding to 123340201 its reverse (102043321), we get a palindrome (225383522).

The spelling of 123340201 in words is "one hundred twenty-three million, three hundred forty thousand, two hundred one".