11323303455 has 32 divisors (see below), whose sum is σ = 18638470656. Its totient is φ = 5867581824.

The previous prime is 11323303451. The next prime is 11323303457. The reversal of 11323303455 is 55430332311.

It is not a de Polignac number, because 11323303455 - 2² = 11323303451 is a prime.

It is a super-2 number, since 2×11323303455² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11323303451) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12744 + ... + 151026.

It is an arithmetic number, because the mean of its divisors is an integer number (582452208).

Almost surely, 2^11323303455 is an apocalyptic number.

11323303455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11323303455 is a deficient number, since it is larger than the sum of its proper divisors (7315167201).

11323303455 is a wasteful number, since it uses less digits than its factorization.

11323303455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138447.

The product of its (nonzero) digits is 16200, while the sum is 30.

Adding to 11323303455 its reverse (55430332311), we get a palindrome (66753635766).

The spelling of 11323303455 in words is "eleven billion, three hundred twenty-three million, three hundred three thousand, four hundred fifty-five".