11231330223 has 32 divisors (see below), whose sum is σ = 15602595840. Its totient is φ = 7182040320.

The previous prime is 11231330219. The next prime is 11231330237. The reversal of 11231330223 is 32203313211.

It is not a de Polignac number, because 11231330223 - 2² = 11231330219 is a prime.

It is a super-2 number, since 2×11231330223² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11231330223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11231330273) 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, 1289443 + ... + 1298123.

It is an arithmetic number, because the mean of its divisors is an integer number (487581120).

Almost surely, 2^11231330223 is an apocalyptic number.

11231330223 is a deficient number, since it is larger than the sum of its proper divisors (4371265617).

11231330223 is a wasteful number, since it uses less digits than its factorization.

11231330223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8919.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 11231330223 its reverse (32203313211), we get a palindrome (43434643434).

The spelling of 11231330223 in words is "eleven billion, two hundred thirty-one million, three hundred thirty thousand, two hundred twenty-three".