20123310313 has 8 divisors (see below), whose sum is σ = 20712106880. Its totient is φ = 19542865680.

The previous prime is 20123310281. The next prime is 20123310341. The reversal of 20123310313 is 31301332102.

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 20123310313 - 2⁵ = 20123310281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20123310373) 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 7 ways as a sum of consecutive naturals, for example, 2083095 + ... + 2092732.

It is an arithmetic number, because the mean of its divisors is an integer number (2589013360).

Almost surely, 2^20123310313 is an apocalyptic number.

It is an amenable number.

20123310313 is a deficient number, since it is larger than the sum of its proper divisors (588796567).

20123310313 is an equidigital number, since it uses as much as digits as its factorization.

20123310313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4175967.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 20123310313 its reverse (31301332102), we get a palindrome (51424642415).

The spelling of 20123310313 in words is "twenty billion, one hundred twenty-three million, three hundred ten thousand, three hundred thirteen".