123242003 has 2 divisors, whose sum is σ = 123242004. Its totient is φ = 123242002.

The previous prime is 123241997. The next prime is 123242033. The reversal of 123242003 is 300242321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123242003 - 2⁸ = 123241747 is a prime.

It is not a weakly prime, because it can be changed into another prime (123242033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61621001 + 61621002.

It is an arithmetic number, because the mean of its divisors is an integer number (61621002).

Almost surely, 2^123242003 is an apocalyptic number.

123242003 is a deficient number, since it is larger than the sum of its proper divisors (1).

123242003 is an equidigital number, since it uses as much as digits as its factorization.

123242003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 123242003 is about 11101.4414829787. The cubic root of 123242003 is about 497.6449286944.

Adding to 123242003 its reverse (300242321), we get a palindrome (423484324).

The spelling of 123242003 in words is "one hundred twenty-three million, two hundred forty-two thousand, three".