11723112020 has 12 divisors (see below), whose sum is σ = 24618535284. Its totient is φ = 4689244800.

The previous prime is 11723112019. The next prime is 11723112031. The reversal of 11723112020 is 2021132711.

11723112020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1423703824 + 10299408196 = 37732^2 + 101486^2 .

It is a super-3 number, since 3×11723112020³ (a number of 31 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 586155601 = 11723112020 / (1 + 1 + 7 + 2 + 3 + 1 + 1 + 2 + 0 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 11723111983 and 11723112001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 293077781 + ... + 293077820.

It is an arithmetic number, because the mean of its divisors is an integer number (2051544607).

Almost surely, 2^11723112020 is an apocalyptic number.

11723112020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11723112020 is an abundant number, since it is smaller than the sum of its proper divisors (12895423264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11723112020 is a wasteful number, since it uses less digits than its factorization.

11723112020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586155610 (or 586155608 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 20.

Adding to 11723112020 its reverse (2021132711), we get a palindrome (13744244731).

The spelling of 11723112020 in words is "eleven billion, seven hundred twenty-three million, one hundred twelve thousand, twenty".