100123303203 has 160 divisors (see below), whose sum is σ = 198050941440. Its totient is φ = 48832035840.

The previous prime is 100123303157. The next prime is 100123303229. The reversal of 100123303203 is 302303321001.

100123303203 is a `hidden beast` number, since 1 + 0 + 0 + 12 + 330 + 320 + 3 = 666.

It is not a de Polignac number, because 100123303203 - 2¹³ = 100123295011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100123303243) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 13387101 + ... + 13394577.

It is an arithmetic number, because the mean of its divisors is an integer number (1237818384).

Almost surely, 2^100123303203 is an apocalyptic number.

100123303203 is a deficient number, since it is larger than the sum of its proper divisors (97927638237).

100123303203 is a wasteful number, since it uses less digits than its factorization.

100123303203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7639 (or 7630 counting only the distinct ones).

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

Adding to 100123303203 its reverse (302303321001), we get a palindrome (402426624204).

The spelling of 100123303203 in words is "one hundred billion, one hundred twenty-three million, three hundred three thousand, two hundred three".