11320123213 has 16 divisors (see below), whose sum is σ = 13121495296. Its totient is φ = 9564946560.

The previous prime is 11320123211. The next prime is 11320123229. The reversal of 11320123213 is 31232102311.

It is a cyclic number.

It is not a de Polignac number, because 11320123213 - 2¹ = 11320123211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11320123211) 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, 1191520 + ... + 1200982.

It is an arithmetic number, because the mean of its divisors is an integer number (820093456).

Almost surely, 2^11320123213 is an apocalyptic number.

It is an amenable number.

11320123213 is a deficient number, since it is larger than the sum of its proper divisors (1801372083).

11320123213 is an equidigital number, since it uses as much as digits as its factorization.

11320123213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11884.

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

Adding to 11320123213 its reverse (31232102311), we get a palindrome (42552225524).

The spelling of 11320123213 in words is "eleven billion, three hundred twenty million, one hundred twenty-three thousand, two hundred thirteen".