11123223207 has 8 divisors (see below), whose sum is σ = 15192695280. Its totient is φ = 7234616640.

The previous prime is 11123223203. The next prime is 11123223217. The reversal of 11123223207 is 70232232111.

It is a happy number.

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

It is not a de Polignac number, because 11123223207 - 2² = 11123223203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11123223203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45216232 + ... + 45216477.

It is an arithmetic number, because the mean of its divisors is an integer number (1899086910).

Almost surely, 2^11123223207 is an apocalyptic number.

11123223207 is a deficient number, since it is larger than the sum of its proper divisors (4069472073).

11123223207 is an equidigital number, since it uses as much as digits as its factorization.

11123223207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90432753.

The product of its (nonzero) digits is 1008, while the sum is 24.

Adding to 11123223207 its reverse (70232232111), we get a palindrome (81355455318).

The spelling of 11123223207 in words is "eleven billion, one hundred twenty-three million, two hundred twenty-three thousand, two hundred seven".