11323455320 has 32 divisors (see below), whose sum is σ = 25522445520. Its totient is φ = 4521440640.

The previous prime is 11323455293. The next prime is 11323455349. The reversal of 11323455320 is 2355432311.

It is a happy number.

It is a super-4 number, since 4×11323455320⁴ (a number of 41 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225047 + ... + 270726.

Almost surely, 2^11323455320 is an apocalyptic number.

11323455320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11323455320 is an abundant number, since it is smaller than the sum of its proper divisors (14198990200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11323455320 is a wasteful number, since it uses less digits than its factorization.

11323455320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496355 (or 496351 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 11323455320 its reverse (2355432311), we get a palindrome (13678887631).

The spelling of 11323455320 in words is "eleven billion, three hundred twenty-three million, four hundred fifty-five thousand, three hundred twenty".