123010003 has 4 divisors (see below), whose sum is σ = 128358288. Its totient is φ = 117661720.

The previous prime is 123009989. The next prime is 123010007. The reversal of 123010003 is 300010321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123010003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123010007) 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, 2674108 + ... + 2674153.

It is an arithmetic number, because the mean of its divisors is an integer number (32089572).

Almost surely, 2^123010003 is an apocalyptic number.

123010003 is a deficient number, since it is larger than the sum of its proper divisors (5348285).

123010003 is an equidigital number, since it uses as much as digits as its factorization.

123010003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5348284.

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 123010003 is about 11090.9874673088. The cubic root of 123010003 is about 497.3324644839.

Adding to 123010003 its reverse (300010321), we get a palindrome (423020324).

The spelling of 123010003 in words is "one hundred twenty-three million, ten thousand, three".