103123312003 has 16 divisors (see below), whose sum is σ = 113348793600. Its totient is φ = 93383500320.

The previous prime is 103123311961. The next prime is 103123312021. The reversal of 103123312003 is 300213321301.

It is a cyclic number.

It is not a de Polignac number, because 103123312003 - 2⁹ = 103123311491 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103123312703) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 556713 + ... + 718453.

It is an arithmetic number, because the mean of its divisors is an integer number (7084299600).

Almost surely, 2^103123312003 is an apocalyptic number.

103123312003 is a deficient number, since it is larger than the sum of its proper divisors (10225481597).

103123312003 is a wasteful number, since it uses less digits than its factorization.

103123312003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163242.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 103123312003 its reverse (300213321301), we get a palindrome (403336633304).

The spelling of 103123312003 in words is "one hundred three billion, one hundred twenty-three million, three hundred twelve thousand, three".