20120303323 has 4 divisors (see below), whose sum is σ = 20168323560. Its totient is φ = 20072283088.

The previous prime is 20120303317. The next prime is 20120303389. The reversal of 20120303323 is 32330302102.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20120303323 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20120303323.

It is not an unprimeable number, because it can be changed into a prime (20120303393) 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, 24009490 + ... + 24010327.

It is an arithmetic number, because the mean of its divisors is an integer number (5042080890).

Almost surely, 2^20120303323 is an apocalyptic number.

20120303323 is a deficient number, since it is larger than the sum of its proper divisors (48020237).

20120303323 is an equidigital number, since it uses as much as digits as its factorization.

20120303323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48020236.

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 20120303323 its reverse (32330302102), we get a palindrome (52450605425).

The spelling of 20120303323 in words is "twenty billion, one hundred twenty million, three hundred three thousand, three hundred twenty-three".