100010123 has 4 divisors (see below), whose sum is σ = 103236288. Its totient is φ = 96783960.

The previous prime is 100010107. The next prime is 100010143. The reversal of 100010123 is 321010001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 321010001 = 13 ⋅24693077.

It is a cyclic number.

It is not a de Polignac number, because 100010123 - 2⁴ = 100010107 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100010123.

It is not an unprimeable number, because it can be changed into a prime (100010143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1613036 + ... + 1613097.

It is an arithmetic number, because the mean of its divisors is an integer number (25809072).

Almost surely, 2^100010123 is an apocalyptic number.

100010123 is a deficient number, since it is larger than the sum of its proper divisors (3226165).

100010123 is an equidigital number, since it uses as much as digits as its factorization.

100010123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3226164.

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 100010123 is about 10000.5061371913. The cubic root of 100010123 is about 464.1745451007.

Adding to 100010123 its reverse (321010001), we get a palindrome (421020124).

The spelling of 100010123 in words is "one hundred million, ten thousand, one hundred twenty-three".