100313123 has 4 divisors (see below), whose sum is σ = 100375320. Its totient is φ = 100250928.

The previous prime is 100313113. The next prime is 100313149. The reversal of 100313123 is 321313001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 100313123 - 2¹⁰ = 100312099 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100313098 and 100313107.

It is not an unprimeable number, because it can be changed into a prime (100313113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28613 + ... + 31926.

It is an arithmetic number, because the mean of its divisors is an integer number (25093830).

Almost surely, 2^100313123 is an apocalyptic number.

100313123 is a deficient number, since it is larger than the sum of its proper divisors (62197).

100313123 is an equidigital number, since it uses as much as digits as its factorization.

100313123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62196.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 100313123 is about 10015.6439133987. The cubic root of 100313123 is about 464.6428413244.

Adding to 100313123 its reverse (321313001), we get a palindrome (421626124).

The spelling of 100313123 in words is "one hundred million, three hundred thirteen thousand, one hundred twenty-three".