20433042423353 has 8 divisors (see below), whose sum is σ = 23355786655872. Its totient is φ = 17511232733856.

The previous prime is 20433042423329. The next prime is 20433042423373. The reversal of 20433042423353 is 35332424033402.

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 20433042423353 - 2¹⁶ = 20433042357817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20433042423323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 233588900 + ... + 233676357.

It is an arithmetic number, because the mean of its divisors is an integer number (2919473331984).

Almost surely, 2^{20433042423353} is an apocalyptic number.

It is an amenable number.

20433042423353 is a deficient number, since it is larger than the sum of its proper divisors (2922744232519).

20433042423353 is an equidigital number, since it uses as much as digits as its factorization.

20433042423353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467271511.

The product of its (nonzero) digits is 622080, while the sum is 38.

Adding to 20433042423353 its reverse (35332424033402), we get a palindrome (55765466456755).

The spelling of 20433042423353 in words is "twenty trillion, four hundred thirty-three billion, forty-two million, four hundred twenty-three thousand, three hundred fifty-three".