201423301 has 4 divisors (see below), whose sum is σ = 206867212. Its totient is φ = 195979392.

The previous prime is 201423253. The next prime is 201423311. The reversal of 201423301 is 103324102.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 83722500 + 117700801 = 9150^2 + 10849^2 .

It is a cyclic number.

It is not a de Polignac number, because 201423301 - 2²³ = 193034693 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 (201423311) 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, 2721900 + ... + 2721973.

It is an arithmetic number, because the mean of its divisors is an integer number (51716803).

Almost surely, 2^201423301 is an apocalyptic number.

It is an amenable number.

201423301 is a deficient number, since it is larger than the sum of its proper divisors (5443911).

201423301 is an equidigital number, since it uses as much as digits as its factorization.

201423301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5443910.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 201423301 is about 14192.3677023955. The cubic root of 201423301 is about 586.1875222523.

Adding to 201423301 its reverse (103324102), we get a palindrome (304747403).

The spelling of 201423301 in words is "two hundred one million, four hundred twenty-three thousand, three hundred one".