20343403323 has 12 divisors (see below), whose sum is σ = 29473696408. Its totient is φ = 13521293280.

The previous prime is 20343403313. The next prime is 20343403349. The reversal of 20343403323 is 32330434302.

20343403323 is a `hidden beast` number, since 203 + 434 + 0 + 3 + 3 + 23 = 666.

It is not a de Polignac number, because 20343403323 - 2⁶ = 20343403259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20343403313) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3411490 + ... + 3417447.

Almost surely, 2^20343403323 is an apocalyptic number.

20343403323 is a deficient number, since it is larger than the sum of its proper divisors (9130293085).

20343403323 is a wasteful number, since it uses less digits than its factorization.

20343403323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6829274 (or 6829271 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 27.

Adding to 20343403323 its reverse (32330434302), we get a palindrome (52673837625).

The spelling of 20343403323 in words is "twenty billion, three hundred forty-three million, four hundred three thousand, three hundred twenty-three".