11400223431 has 4 divisors (see below), whose sum is σ = 15200297912. Its totient is φ = 7600148952.

The previous prime is 11400223403. The next prime is 11400223441. The reversal of 11400223431 is 13432200411.

11400223431 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 not a de Polignac number, because 11400223431 - 2¹⁵ = 11400190663 is a prime.

It is a super-3 number, since 3×11400223431³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11400223398 and 11400223407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11400223441) 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, 1900037236 + ... + 1900037241.

It is an arithmetic number, because the mean of its divisors is an integer number (3800074478).

Almost surely, 2^11400223431 is an apocalyptic number.

11400223431 is a deficient number, since it is larger than the sum of its proper divisors (3800074481).

11400223431 is an equidigital number, since it uses as much as digits as its factorization.

11400223431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3800074480.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 11400223431 its reverse (13432200411), we get a palindrome (24832423842).

The spelling of 11400223431 in words is "eleven billion, four hundred million, two hundred twenty-three thousand, four hundred thirty-one".