12013203323 has 16 divisors (see below), whose sum is σ = 13880997216. Its totient is φ = 10275133440.

The previous prime is 12013203271. The next prime is 12013203331. The reversal of 12013203323 is 32330231021.

It is not a de Polignac number, because 12013203323 - 2²⁴ = 11996426107 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12013203295 and 12013203304.

It is not an unprimeable number, because it can be changed into a prime (12013203353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 632615 + ... + 651327.

It is an arithmetic number, because the mean of its divisors is an integer number (867562326).

Almost surely, 2^12013203323 is an apocalyptic number.

12013203323 is a deficient number, since it is larger than the sum of its proper divisors (1867793893).

12013203323 is a wasteful number, since it uses less digits than its factorization.

12013203323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22174.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 12013203323 its reverse (32330231021), we get a palindrome (44343434344).

The spelling of 12013203323 in words is "twelve billion, thirteen million, two hundred three thousand, three hundred twenty-three".