20300123313 has 32 divisors (see below), whose sum is σ = 31195345280. Its totient is φ = 13037552640.

The previous prime is 20300123303. The next prime is 20300123321. The reversal of 20300123313 is 31332100302.

20300123313 is a `hidden beast` number, since 20 + 300 + 12 + 331 + 3 = 666.

It is not a de Polignac number, because 20300123313 - 2⁵ = 20300123281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20300123303) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35008 + ... + 204513.

It is an arithmetic number, because the mean of its divisors is an integer number (974854540).

Almost surely, 2^20300123313 is an apocalyptic number.

It is an amenable number.

20300123313 is a deficient number, since it is larger than the sum of its proper divisors (10895221967).

20300123313 is a wasteful number, since it uses less digits than its factorization.

20300123313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239646 (or 239640 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 20300123313 its reverse (31332100302), we get a palindrome (51632223615).

The spelling of 20300123313 in words is "twenty billion, three hundred million, one hundred twenty-three thousand, three hundred thirteen".