103123005313 has 4 divisors (see below), whose sum is σ = 103171444740. Its totient is φ = 103074565888.

The previous prime is 103123005269. The next prime is 103123005319. The reversal of 103123005313 is 313500321301.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 35905702144 + 67217303169 = 189488^2 + 259263^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103123005313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103123005319) 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, 24216520 + ... + 24220777.

It is an arithmetic number, because the mean of its divisors is an integer number (25792861185).

Almost surely, 2^103123005313 is an apocalyptic number.

It is an amenable number.

103123005313 is a deficient number, since it is larger than the sum of its proper divisors (48439427).

103123005313 is an equidigital number, since it uses as much as digits as its factorization.

103123005313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48439426.

The product of its (nonzero) digits is 810, while the sum is 22.

Adding to 103123005313 its reverse (313500321301), we get a palindrome (416623326614).

The spelling of 103123005313 in words is "one hundred three billion, one hundred twenty-three million, five thousand, three hundred thirteen".