11233213423 has 4 divisors (see below), whose sum is σ = 11620565640. Its totient is φ = 10845861208.

The previous prime is 11233213391. The next prime is 11233213457. The reversal of 11233213423 is 32431233211.

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

It is a cyclic number.

It is not a de Polignac number, because 11233213423 - 2⁵ = 11233213391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11233313423) 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, 193676065 + ... + 193676122.

It is an arithmetic number, because the mean of its divisors is an integer number (2905141410).

Almost surely, 2^11233213423 is an apocalyptic number.

11233213423 is a deficient number, since it is larger than the sum of its proper divisors (387352217).

11233213423 is an equidigital number, since it uses as much as digits as its factorization.

11233213423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387352216.

The product of its digits is 2592, while the sum is 25.

Adding to 11233213423 its reverse (32431233211), we get a palindrome (43664446634).

The spelling of 11233213423 in words is "eleven billion, two hundred thirty-three million, two hundred thirteen thousand, four hundred twenty-three".