12355033223 has 4 divisors (see below), whose sum is σ = 13305420408. Its totient is φ = 11404646040.

The previous prime is 12355033219. The next prime is 12355033253. The reversal of 12355033223 is 32233055321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32233055321 = 41 ⋅786172081.

It is a cyclic number.

It is not a de Polignac number, because 12355033223 - 2² = 12355033219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12355033213) 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, 475193573 + ... + 475193598.

It is an arithmetic number, because the mean of its divisors is an integer number (3326355102).

Almost surely, 2^12355033223 is an apocalyptic number.

12355033223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12355033223 is a deficient number, since it is larger than the sum of its proper divisors (950387185).

12355033223 is an equidigital number, since it uses as much as digits as its factorization.

12355033223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 950387184.

The product of its (nonzero) digits is 16200, while the sum is 29.

Adding to 12355033223 its reverse (32233055321), we get a palindrome (44588088544).

The spelling of 12355033223 in words is "twelve billion, three hundred fifty-five million, thirty-three thousand, two hundred twenty-three".