20123300201311 has 4 divisors (see below), whose sum is σ = 20123782596400. Its totient is φ = 20122817806224.

The previous prime is 20123300201309. The next prime is 20123300201317. The reversal of 20123300201311 is 11310200332102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20123300201311 - 2¹ = 20123300201309 is a prime.

It is a super-2 number, since 2×20123300201311² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20123300201317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 241134966 + ... + 241218403.

It is an arithmetic number, because the mean of its divisors is an integer number (5030945649100).

Almost surely, 2^{20123300201311} is an apocalyptic number.

20123300201311 is a deficient number, since it is larger than the sum of its proper divisors (482395089).

20123300201311 is an equidigital number, since it uses as much as digits as its factorization.

20123300201311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482395088.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 20123300201311 its reverse (11310200332102), we get a palindrome (31433500533413).

The spelling of 20123300201311 in words is "twenty trillion, one hundred twenty-three billion, three hundred million, two hundred one thousand, three hundred eleven".