100120232003 has 16 divisors (see below), whose sum is σ = 110534323680. Its totient is φ = 89926425600.

The previous prime is 100120231969. The next prime is 100120232033. The reversal of 100120232003 is 300232021001.

It is a happy number.

It is not a de Polignac number, because 100120232003 - 2⁸ = 100120231747 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100120232033) 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, 1254551 + ... + 1331967.

It is an arithmetic number, because the mean of its divisors is an integer number (6908395230).

Almost surely, 2^100120232003 is an apocalyptic number.

100120232003 is a deficient number, since it is larger than the sum of its proper divisors (10414091677).

100120232003 is a wasteful number, since it uses less digits than its factorization.

100120232003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78838.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 100120232003 its reverse (300232021001), we get a palindrome (400352253004).

The spelling of 100120232003 in words is "one hundred billion, one hundred twenty million, two hundred thirty-two thousand, three".