123002003 has 4 divisors (see below), whose sum is σ = 123249000. Its totient is φ = 122755008.

The previous prime is 123001997. The next prime is 123002039. The reversal of 123002003 is 300200321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 300200321 = 53 ⋅5664157.

It is a cyclic number.

It is not a de Polignac number, because 123002003 - 2⁶ = 123001939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123002063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122750 + ... + 123747.

It is an arithmetic number, because the mean of its divisors is an integer number (30812250).

Almost surely, 2^123002003 is an apocalyptic number.

123002003 is a deficient number, since it is larger than the sum of its proper divisors (246997).

123002003 is an equidigital number, since it uses as much as digits as its factorization.

123002003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246996.

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 123002003 is about 11090.6268082557. The cubic root of 123002003 is about 497.3216828513.

Adding to 123002003 its reverse (300200321), we get a palindrome (423202324).

The spelling of 123002003 in words is "one hundred twenty-three million, two thousand, three".