100204123 has 8 divisors (see below), whose sum is σ = 107112096. Its totient is φ = 93508800.

The previous prime is 100204073. The next prime is 100204163. The reversal of 100204123 is 321402001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-100204123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100204163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52188 + ... + 54073.

It is an arithmetic number, because the mean of its divisors is an integer number (13389012).

Almost surely, 2^100204123 is an apocalyptic number.

100204123 is a deficient number, since it is larger than the sum of its proper divisors (6907973).

100204123 is a wasteful number, since it uses less digits than its factorization.

100204123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106325.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 100204123 is about 10010.2009470340. The cubic root of 100204123 is about 464.4744870645.

Adding to 100204123 its reverse (321402001), we get a palindrome (421606124).

The spelling of 100204123 in words is "one hundred million, two hundred four thousand, one hundred twenty-three".