12385223833 has 4 divisors (see below), whose sum is σ = 12387022848. Its totient is φ = 12383424820.

The previous prime is 12385223827. The next prime is 12385223867. The reversal of 12385223833 is 33832258321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 33832258321 = 163 ⋅207559867.

It is a cyclic number.

It is not a de Polignac number, because 12385223833 - 2¹⁷ = 12385092761 is a prime.

It is a super-2 number, since 2×12385223833² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12385223813) 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, 889141 + ... + 902962.

It is an arithmetic number, because the mean of its divisors is an integer number (3096755712).

Almost surely, 2^12385223833 is an apocalyptic number.

It is an amenable number.

12385223833 is a deficient number, since it is larger than the sum of its proper divisors (1799015).

12385223833 is an equidigital number, since it uses as much as digits as its factorization.

12385223833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1799014.

The product of its digits is 207360, while the sum is 40.

The spelling of 12385223833 in words is "twelve billion, three hundred eighty-five million, two hundred twenty-three thousand, eight hundred thirty-three".