20423553301 has 4 divisors (see below), whose sum is σ = 20426075712. Its totient is φ = 20421030892.

The previous prime is 20423553197. The next prime is 20423553323. The reversal of 20423553301 is 10335532402.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20423553301 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20423553301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20423553361) 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, 1249021 + ... + 1265266.

It is an arithmetic number, because the mean of its divisors is an integer number (5106518928).

Almost surely, 2^20423553301 is an apocalyptic number.

It is an amenable number.

20423553301 is a deficient number, since it is larger than the sum of its proper divisors (2522411).

20423553301 is an equidigital number, since it uses as much as digits as its factorization.

20423553301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2522410.

The product of its (nonzero) digits is 10800, while the sum is 28.

The spelling of 20423553301 in words is "twenty billion, four hundred twenty-three million, five hundred fifty-three thousand, three hundred one".