20113232323 has 4 divisors (see below), whose sum is σ = 20115742320. Its totient is φ = 20110722328.

The previous prime is 20113232309. The next prime is 20113232351. The reversal of 20113232323 is 32323231102.

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-20113232323 is a prime.

It is a super-2 number, since 2×20113232323² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20113232294 and 20113232303.

It is not an unprimeable number, because it can be changed into a prime (20113232393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1242940 + ... + 1259017.

It is an arithmetic number, because the mean of its divisors is an integer number (5028935580).

Almost surely, 2^20113232323 is an apocalyptic number.

20113232323 is a deficient number, since it is larger than the sum of its proper divisors (2509997).

20113232323 is an equidigital number, since it uses as much as digits as its factorization.

20113232323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2509996.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 20113232323 its reverse (32323231102), we get a palindrome (52436463425).

The spelling of 20113232323 in words is "twenty billion, one hundred thirteen million, two hundred thirty-two thousand, three hundred twenty-three".