11423320041 has 8 divisors (see below), whose sum is σ = 17406963904. Its totient is φ = 6527611440.

The previous prime is 11423320039. The next prime is 11423320057. The reversal of 11423320041 is 14002332411.

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

It is not a de Polignac number, because 11423320041 - 2¹ = 11423320039 is a prime.

It is a super-2 number, since 2×11423320041² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 543967621 = 11423320041 / (1 + 1 + 4 + 2 + 3 + 3 + 2 + 0 + 0 + 4 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11423320141) 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, 271983790 + ... + 271983831.

It is an arithmetic number, because the mean of its divisors is an integer number (2175870488).

Almost surely, 2^11423320041 is an apocalyptic number.

It is an amenable number.

11423320041 is a deficient number, since it is larger than the sum of its proper divisors (5983643863).

11423320041 is an equidigital number, since it uses as much as digits as its factorization.

11423320041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543967631.

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

Adding to 11423320041 its reverse (14002332411), we get a palindrome (25425652452).

The spelling of 11423320041 in words is "eleven billion, four hundred twenty-three million, three hundred twenty thousand, forty-one".