20012313023123 has 8 divisors (see below), whose sum is σ = 20625612490560. Its totient is φ = 19406826288000.

The previous prime is 20012313023089. The next prime is 20012313023141. The reversal of 20012313023123 is 32132031321002.

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 20012313023123 - 2³² = 20008018055827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20012313023723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1953177878 + ... + 1953188123.

It is an arithmetic number, because the mean of its divisors is an integer number (2578201561320).

Almost surely, 2^{20012313023123} is an apocalyptic number.

20012313023123 is a deficient number, since it is larger than the sum of its proper divisors (613299467437).

20012313023123 is a wasteful number, since it uses less digits than its factorization.

20012313023123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3906366157.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 20012313023123 its reverse (32132031321002), we get a palindrome (52144344344125).

The spelling of 20012313023123 in words is "twenty trillion, twelve billion, three hundred thirteen million, twenty-three thousand, one hundred twenty-three".