11230501123 has 4 divisors (see below), whose sum is σ = 11234652520. Its totient is φ = 11226349728.

The previous prime is 11230501081. The next prime is 11230501141. The reversal of 11230501123 is 32110503211.

11230501123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11230501123 is a prime.

It is a super-2 number, since 2×11230501123² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11230501123.

It is not an unprimeable number, because it can be changed into a prime (11230501193) by changing a digit.

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, 2071638 + ... + 2077051.

It is an arithmetic number, because the mean of its divisors is an integer number (2808663130).

Almost surely, 2^11230501123 is an apocalyptic number.

11230501123 is a deficient number, since it is larger than the sum of its proper divisors (4151397).

11230501123 is an equidigital number, since it uses as much as digits as its factorization.

11230501123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4151396.

The product of its (nonzero) digits is 180, while the sum is 19.

The spelling of 11230501123 in words is "eleven billion, two hundred thirty million, five hundred one thousand, one hundred twenty-three".