201223204413 has 32 divisors (see below), whose sum is σ = 335013414912. Its totient is φ = 104371377600.

The previous prime is 201223204393. The next prime is 201223204421. The reversal of 201223204413 is 314402322102.

It is a happy number.

It is not a de Polignac number, because 201223204413 - 2²⁸ = 200954768957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201223204463) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 516153 + ... + 817838.

It is an arithmetic number, because the mean of its divisors is an integer number (10469169216).

Almost surely, 2^201223204413 is an apocalyptic number.

It is an amenable number.

201223204413 is a deficient number, since it is larger than the sum of its proper divisors (133790210499).

201223204413 is a wasteful number, since it uses less digits than its factorization.

201223204413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1334665.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 201223204413 its reverse (314402322102), we get a palindrome (515625526515).

The spelling of 201223204413 in words is "two hundred one billion, two hundred twenty-three million, two hundred four thousand, four hundred thirteen".