11021314423 has 4 divisors (see below), whose sum is σ = 12595787920. Its totient is φ = 9446840928.

The previous prime is 11021314417. The next prime is 11021314433. The reversal of 11021314423 is 32441312011.

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

It is a de Polignac number, because none of the positive numbers 2^k-11021314423 is a prime.

It is a super-2 number, since 2×11021314423² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11021314394 and 11021314403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11021314433) 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, 787236738 + ... + 787236751.

It is an arithmetic number, because the mean of its divisors is an integer number (3148946980).

Almost surely, 2^11021314423 is an apocalyptic number.

11021314423 is a deficient number, since it is larger than the sum of its proper divisors (1574473497).

11021314423 is an equidigital number, since it uses as much as digits as its factorization.

11021314423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1574473496.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 11021314423 its reverse (32441312011), we get a palindrome (43462626434).

The spelling of 11021314423 in words is "eleven billion, twenty-one million, three hundred fourteen thousand, four hundred twenty-three".