20011300313123 has 16 divisors (see below), whose sum is σ = 22972371502080. Its totient is φ = 17075823571296.

The previous prime is 20011300313099. The next prime is 20011300313153. The reversal of 20011300313123 is 32131300311002.

It is not a de Polignac number, because 20011300313123 - 2⁴⁴ = 2419114268707 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20011300313095 and 20011300313104.

It is not an unprimeable number, because it can be changed into a prime (20011300313153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14509586 + ... + 15828792.

It is an arithmetic number, because the mean of its divisors is an integer number (1435773218880).

Almost surely, 2^{20011300313123} is an apocalyptic number.

20011300313123 is a deficient number, since it is larger than the sum of its proper divisors (2961071188957).

20011300313123 is a wasteful number, since it uses less digits than its factorization.

20011300313123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1328906.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 20011300313123 its reverse (32131300311002), we get a palindrome (52142600624125).

The spelling of 20011300313123 in words is "twenty trillion, eleven billion, three hundred million, three hundred thirteen thousand, one hundred twenty-three".