20123110315 has 16 divisors (see below), whose sum is σ = 30106264320. Its totient is φ = 12544276320.

The previous prime is 20123110283. The next prime is 20123110363. The reversal of 20123110315 is 51301132102.

It is not a de Polignac number, because 20123110315 - 2⁵ = 20123110283 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20123110292 and 20123110301.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26133525 + ... + 26134294.

It is an arithmetic number, because the mean of its divisors is an integer number (1881641520).

Almost surely, 2^20123110315 is an apocalyptic number.

20123110315 is a deficient number, since it is larger than the sum of its proper divisors (9983154005).

20123110315 is a wasteful number, since it uses less digits than its factorization.

20123110315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52267842.

The product of its (nonzero) digits is 180, while the sum is 19.

Adding to 20123110315 its reverse (51301132102), we get a palindrome (71424242417).

The spelling of 20123110315 in words is "twenty billion, one hundred twenty-three million, one hundred ten thousand, three hundred fifteen".