2231201323 has 16 divisors (see below), whose sum is σ = 2416680000. Its totient is φ = 2047743360.

The previous prime is 2231201321. The next prime is 2231201339. The reversal of 2231201323 is 3231021322.

It is not a de Polignac number, because 2231201323 - 2¹ = 2231201321 is a prime.

It is a super-3 number, since 3×2231201323³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2231201323.

It is not an unprimeable number, because it can be changed into a prime (2231201321) 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, 2717253 + ... + 2718073.

It is an arithmetic number, because the mean of its divisors is an integer number (151042500).

Almost surely, 2^2231201323 is an apocalyptic number.

2231201323 is a deficient number, since it is larger than the sum of its proper divisors (185478677).

2231201323 is a wasteful number, since it uses less digits than its factorization.

2231201323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1782.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 2231201323 is about 47235.5938144108. The cubic root of 2231201323 is about 1306.7111179938.

Adding to 2231201323 its reverse (3231021322), we get a palindrome (5462222645).

The spelling of 2231201323 in words is "two billion, two hundred thirty-one million, two hundred one thousand, three hundred twenty-three".