100203323003 has 16 divisors (see below), whose sum is σ = 117679018944. Its totient is φ = 83520460800.

The previous prime is 100203322987. The next prime is 100203323021. The reversal of 100203323003 is 300323302001.

It is not a de Polignac number, because 100203323003 - 2⁴ = 100203322987 is a prime.

It is a super-4 number, since 4×100203323003⁴ (a number of 45 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100203323063) 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, 359051 + ... + 573867.

It is an arithmetic number, because the mean of its divisors is an integer number (7354938684).

Almost surely, 2^100203323003 is an apocalyptic number.

100203323003 is a deficient number, since it is larger than the sum of its proper divisors (17475695941).

100203323003 is a wasteful number, since it uses less digits than its factorization.

100203323003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216662.

The product of its (nonzero) digits is 324, while the sum is 17.

Adding to 100203323003 its reverse (300323302001), we get a palindrome (400526625004).

The spelling of 100203323003 in words is "one hundred billion, two hundred three million, three hundred twenty-three thousand, three".