201232304409 has 16 divisors (see below), whose sum is σ = 284423451840. Its totient is φ = 126116390400.

The previous prime is 201232304407. The next prime is 201232304417. The reversal of 201232304409 is 904403232102.

It is not a de Polignac number, because 201232304409 - 2¹ = 201232304407 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201232304407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2252892 + ... + 2340509.

It is an arithmetic number, because the mean of its divisors is an integer number (17776465740).

Almost surely, 2^201232304409 is an apocalyptic number.

It is an amenable number.

201232304409 is a deficient number, since it is larger than the sum of its proper divisors (83191147431).

201232304409 is a wasteful number, since it uses less digits than its factorization.

201232304409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4594280.

The product of its (nonzero) digits is 10368, while the sum is 30.

The spelling of 201232304409 in words is "two hundred one billion, two hundred thirty-two million, three hundred four thousand, four hundred nine".