11320121023 has 8 divisors (see below), whose sum is σ = 11477614896. Its totient is φ = 11162692800.

The previous prime is 11320120967. The next prime is 11320121027. The reversal of 11320121023 is 32012102311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11320121023 - 2²⁹ = 10783250111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11320120988 and 11320121006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11320121027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 405588 + ... + 432598.

It is an arithmetic number, because the mean of its divisors is an integer number (1434701862).

Almost surely, 2^11320121023 is an apocalyptic number.

11320121023 is a deficient number, since it is larger than the sum of its proper divisors (157493873).

11320121023 is an equidigital number, since it uses as much as digits as its factorization.

11320121023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32825.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 11320121023 its reverse (32012102311), we get a palindrome (43332223334).

It can be divided in two parts, 11 and 320121023, that multiplied together give a palindrome (3521331253).

The spelling of 11320121023 in words is "eleven billion, three hundred twenty million, one hundred twenty-one thousand, twenty-three".