123103601 has 2 divisors, whose sum is σ = 123103602. Its totient is φ = 123103600.

The previous prime is 123103597. The next prime is 123103609. The reversal of 123103601 is 106301321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 121528576 + 1575025 = 11024^2 + 1255^2 .

It is a cyclic number.

It is not a de Polignac number, because 123103601 - 2² = 123103597 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123103601.

It is not a weakly prime, because it can be changed into another prime (123103609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61551800 + 61551801.

It is an arithmetic number, because the mean of its divisors is an integer number (61551801).

Almost surely, 2^123103601 is an apocalyptic number.

It is an amenable number.

123103601 is a deficient number, since it is larger than the sum of its proper divisors (1).

123103601 is an equidigital number, since it uses as much as digits as its factorization.

123103601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 123103601 is about 11095.2062171011. The cubic root of 123103601 is about 497.4585721755.

Adding to 123103601 its reverse (106301321), we get a palindrome (229404922).

The spelling of 123103601 in words is "one hundred twenty-three million, one hundred three thousand, six hundred one".