20343024423 has 32 divisors (see below), whose sum is σ = 30322406400. Its totient is φ = 13479177600.

The previous prime is 20343024421. The next prime is 20343024437. The reversal of 20343024423 is 32442034302.

20343024423 is a `hidden beast` number, since 203 + 4 + 30 + 2 + 4 + 423 = 666.

It is not a de Polignac number, because 20343024423 - 2¹ = 20343024421 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20343024421) 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 31 ways as a sum of consecutive naturals, for example, 3681903 + ... + 3687423.

It is an arithmetic number, because the mean of its divisors is an integer number (947575200).

Almost surely, 2^20343024423 is an apocalyptic number.

20343024423 is a deficient number, since it is larger than the sum of its proper divisors (9979381977).

20343024423 is a wasteful number, since it uses less digits than its factorization.

20343024423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6340 (or 6334 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 27.

Adding to 20343024423 its reverse (32442034302), we get a palindrome (52785058725).

The spelling of 20343024423 in words is "twenty billion, three hundred forty-three million, twenty-four thousand, four hundred twenty-three".