11042423321 has 4 divisors (see below), whose sum is σ = 11691977652. Its totient is φ = 10392868992.

The previous prime is 11042423317. The next prime is 11042423341. The reversal of 11042423321 is 12332424011.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4076184025 + 6966239296 = 63845^2 + 83464^2 .

It is a cyclic number.

It is not a de Polignac number, because 11042423321 - 2² = 11042423317 is a prime.

It is a super-2 number, since 2×11042423321² (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 (11042423311) 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, 324777140 + ... + 324777173.

It is an arithmetic number, because the mean of its divisors is an integer number (2922994413).

Almost surely, 2^11042423321 is an apocalyptic number.

It is an amenable number.

11042423321 is a deficient number, since it is larger than the sum of its proper divisors (649554331).

11042423321 is an equidigital number, since it uses as much as digits as its factorization.

11042423321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649554330.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 11042423321 its reverse (12332424011), we get a palindrome (23374847332).

The spelling of 11042423321 in words is "eleven billion, forty-two million, four hundred twenty-three thousand, three hundred twenty-one".