11404344423 has 8 divisors (see below), whose sum is σ = 15206287600. Its totient is φ = 7602648768.

The previous prime is 11404344397. The next prime is 11404344431. The reversal of 11404344423 is 32444340411.

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

It is not a de Polignac number, because 11404344423 - 2¹³ = 11404336231 is a prime.

It is a super-2 number, since 2×11404344423² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11404344493) 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, 136323 + ... + 203451.

It is an arithmetic number, because the mean of its divisors is an integer number (1900785950).

Almost surely, 2^11404344423 is an apocalyptic number.

11404344423 is a deficient number, since it is larger than the sum of its proper divisors (3801943177).

11404344423 is an equidigital number, since it uses as much as digits as its factorization.

11404344423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123761.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 11404344423 its reverse (32444340411), we get a palindrome (43848684834).

The spelling of 11404344423 in words is "eleven billion, four hundred four million, three hundred forty-four thousand, four hundred twenty-three".