20100123313 has 8 divisors (see below), whose sum is σ = 21194705120. Its totient is φ = 19009209600.

The previous prime is 20100123311. The next prime is 20100123317. The reversal of 20100123313 is 31332100102.

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

It is a cyclic number.

It is not a de Polignac number, because 20100123313 - 2¹ = 20100123311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20100123311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 905763 + ... + 927688.

It is an arithmetic number, because the mean of its divisors is an integer number (2649338140).

Almost surely, 2^20100123313 is an apocalyptic number.

It is an amenable number.

20100123313 is a deficient number, since it is larger than the sum of its proper divisors (1094581807).

20100123313 is a wasteful number, since it uses less digits than its factorization.

20100123313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1834047.

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

Adding to 20100123313 its reverse (31332100102), we get a palindrome (51432223415).

The spelling of 20100123313 in words is "twenty billion, one hundred million, one hundred twenty-three thousand, three hundred thirteen".