123642301 has 2 divisors, whose sum is σ = 123642302. Its totient is φ = 123642300.

The previous prime is 123642287. The next prime is 123642317. The reversal of 123642301 is 103246321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96550276 + 27092025 = 9826^2 + 5205^2 .

It is a cyclic number.

It is not a de Polignac number, because 123642301 - 2⁹ = 123641789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123642331) 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, 61821150 + 61821151.

It is an arithmetic number, because the mean of its divisors is an integer number (61821151).

Almost surely, 2^123642301 is an apocalyptic number.

It is an amenable number.

123642301 is a deficient number, since it is larger than the sum of its proper divisors (1).

123642301 is an equidigital number, since it uses as much as digits as its factorization.

123642301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 123642301 is about 11119.4559669077. The cubic root of 123642301 is about 498.1831407078.

Adding to 123642301 its reverse (103246321), we get a palindrome (226888622).

The spelling of 123642301 in words is "one hundred twenty-three million, six hundred forty-two thousand, three hundred one".