10303012123 has 4 divisors (see below), whose sum is σ = 10397535280. Its totient is φ = 10208488968.

The previous prime is 10303012073. The next prime is 10303012141. The reversal of 10303012123 is 32121030301.

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 10303012123 - 2²¹ = 10300914971 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10303012097 and 10303012106.

It is not an unprimeable number, because it can be changed into a prime (10303012183) 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 3 ways as a sum of consecutive naturals, for example, 47261415 + ... + 47261632.

It is an arithmetic number, because the mean of its divisors is an integer number (2599383820).

Almost surely, 2^10303012123 is an apocalyptic number.

10303012123 is a deficient number, since it is larger than the sum of its proper divisors (94523157).

10303012123 is an equidigital number, since it uses as much as digits as its factorization.

10303012123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94523156.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 10303012123 its reverse (32121030301), we get a palindrome (42424042424).

The spelling of 10303012123 in words is "ten billion, three hundred three million, twelve thousand, one hundred twenty-three".