123600427 has 2 divisors, whose sum is σ = 123600428. Its totient is φ = 123600426.

The previous prime is 123600403. The next prime is 123600431. The reversal of 123600427 is 724006321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123600427 - 2⁷ = 123600299 is a prime.

It is not a weakly prime, because it can be changed into another prime (123600437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61800213 + 61800214.

It is an arithmetic number, because the mean of its divisors is an integer number (61800214).

Almost surely, 2^123600427 is an apocalyptic number.

123600427 is a deficient number, since it is larger than the sum of its proper divisors (1).

123600427 is an equidigital number, since it uses as much as digits as its factorization.

123600427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 123600427 is about 11117.5728915982. The cubic root of 123600427 is about 498.1268943798.

Adding to 123600427 its reverse (724006321), we get a palindrome (847606748).

The spelling of 123600427 in words is "one hundred twenty-three million, six hundred thousand, four hundred twenty-seven".