11213421323 has 8 divisors (see below), whose sum is σ = 12786344928. Its totient is φ = 9741976704.

The previous prime is 11213421293. The next prime is 11213421353. The reversal of 11213421323 is 32312431211.

It is an interprime number because it is at equal distance from previous prime (11213421293) and next prime (11213421353).

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

It is a cyclic number.

It is not a de Polignac number, because 11213421323 - 2⁸ = 11213421067 is a prime.

It is a super-2 number, since 2×11213421323² (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 (11213421353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25369511 + ... + 25369952.

It is an arithmetic number, because the mean of its divisors is an integer number (1598293116).

Almost surely, 2^11213421323 is an apocalyptic number.

11213421323 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11213421323 is a deficient number, since it is larger than the sum of its proper divisors (1572923605).

11213421323 is a wasteful number, since it uses less digits than its factorization.

11213421323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50739493.

The product of its digits is 864, while the sum is 23.

Adding to 11213421323 its reverse (32312431211), we get a palindrome (43525852534).

The spelling of 11213421323 in words is "eleven billion, two hundred thirteen million, four hundred twenty-one thousand, three hundred twenty-three".