20043513323 has 8 divisors (see below), whose sum is σ = 20974228128. Its totient is φ = 19117736704.

The previous prime is 20043513313. The next prime is 20043513353. The reversal of 20043513323 is 32331534002.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20043513323 - 2²⁸ = 19775077867 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20043513292 and 20043513301.

It is not an unprimeable number, because it can be changed into a prime (20043513313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1226240 + ... + 1242477.

It is an arithmetic number, because the mean of its divisors is an integer number (2621778516).

Almost surely, 2^20043513323 is an apocalyptic number.

20043513323 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

20043513323 is a deficient number, since it is larger than the sum of its proper divisors (930714805).

20043513323 is a wasteful number, since it uses less digits than its factorization.

20043513323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2469093.

The product of its (nonzero) digits is 6480, while the sum is 26.

The spelling of 20043513323 in words is "twenty billion, forty-three million, five hundred thirteen thousand, three hundred twenty-three".