123003312003 has 24 divisors (see below), whose sum is σ = 208732895280. Its totient is φ = 68813040960.

The previous prime is 123003311999. The next prime is 123003312017. The reversal of 123003312003 is 300213300321.

123003312003 is a `hidden beast` number, since 12 + 300 + 331 + 20 + 0 + 3 = 666.

It is not a de Polignac number, because 123003312003 - 2² = 123003311999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123003312073) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47785548 + ... + 47788121.

It is an arithmetic number, because the mean of its divisors is an integer number (8697203970).

Almost surely, 2^123003312003 is an apocalyptic number.

123003312003 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

123003312003 is a deficient number, since it is larger than the sum of its proper divisors (85729583277).

123003312003 is a wasteful number, since it uses less digits than its factorization.

123003312003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95573699 (or 95573696 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 123003312003 its reverse (300213300321), we get a palindrome (423216612324).

The spelling of 123003312003 in words is "one hundred twenty-three billion, three million, three hundred twelve thousand, three".