11441431123 has 4 divisors (see below), whose sum is σ = 11460469048. Its totient is φ = 11422393200.

The previous prime is 11441431093. The next prime is 11441431151. The reversal of 11441431123 is 32113414411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32113414411 = 13 ⋅2470262647.

It is a cyclic number.

It is not a de Polignac number, because 11441431123 - 2⁵ = 11441431091 is a prime.

It is a super-2 number, since 2×11441431123² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11441431193) 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, 9518061 + ... + 9519262.

It is an arithmetic number, because the mean of its divisors is an integer number (2865117262).

Almost surely, 2^11441431123 is an apocalyptic number.

11441431123 is a deficient number, since it is larger than the sum of its proper divisors (19037925).

11441431123 is an equidigital number, since it uses as much as digits as its factorization.

11441431123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19037924.

The product of its digits is 1152, while the sum is 25.

Adding to 11441431123 its reverse (32113414411), we get a palindrome (43554845534).

The spelling of 11441431123 in words is "eleven billion, four hundred forty-one million, four hundred thirty-one thousand, one hundred twenty-three".