20030201423 has 4 divisors (see below), whose sum is σ = 20312317008. Its totient is φ = 19748085840.

The previous prime is 20030201381. The next prime is 20030201441. The reversal of 20030201423 is 32410203002.

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 20030201423 - 2⁸ = 20030201167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20030201473) 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 3 ways as a sum of consecutive naturals, for example, 141057686 + ... + 141057827.

It is an arithmetic number, because the mean of its divisors is an integer number (5078079252).

Almost surely, 2^20030201423 is an apocalyptic number.

20030201423 is a deficient number, since it is larger than the sum of its proper divisors (282115585).

20030201423 is an equidigital number, since it uses as much as digits as its factorization.

20030201423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282115584.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 20030201423 its reverse (32410203002), we get a palindrome (52440404425).

The spelling of 20030201423 in words is "twenty billion, thirty million, two hundred one thousand, four hundred twenty-three".