20234405323 has 4 divisors (see below), whose sum is σ = 22073896728. Its totient is φ = 18394913920.

The previous prime is 20234405287. The next prime is 20234405333. The reversal of 20234405323 is 32350443202.

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

It is a cyclic number.

It is not a de Polignac number, because 20234405323 - 2⁹ = 20234404811 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20234405291 and 20234405300.

It is not an unprimeable number, because it can be changed into a prime (20234405333) 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, 919745686 + ... + 919745707.

It is an arithmetic number, because the mean of its divisors is an integer number (5518474182).

Almost surely, 2^20234405323 is an apocalyptic number.

20234405323 is a deficient number, since it is larger than the sum of its proper divisors (1839491405).

20234405323 is a wasteful number, since it uses less digits than its factorization.

20234405323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1839491404.

The product of its (nonzero) digits is 17280, while the sum is 28.

Adding to 20234405323 its reverse (32350443202), we get a palindrome (52584848525).

The spelling of 20234405323 in words is "twenty billion, two hundred thirty-four million, four hundred five thousand, three hundred twenty-three".