201324421 has 8 divisors (see below), whose sum is σ = 213736320. Its totient is φ = 188975808.

The previous prime is 201324419. The next prime is 201324427. The reversal of 201324421 is 124423102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 201324421 - 2¹ = 201324419 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 (201324427) 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, 9181 + ... + 22066.

It is an arithmetic number, because the mean of its divisors is an integer number (26717040).

Almost surely, 2^201324421 is an apocalyptic number.

It is an amenable number.

201324421 is a deficient number, since it is larger than the sum of its proper divisors (12411899).

201324421 is a wasteful number, since it uses less digits than its factorization.

201324421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31643.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 201324421 is about 14188.8837122587. The cubic root of 201324421 is about 586.0915854711.

Adding to 201324421 its reverse (124423102), we get a palindrome (325747523).

The spelling of 201324421 in words is "two hundred one million, three hundred twenty-four thousand, four hundred twenty-one".