2152231323 has 32 divisors (see below), whose sum is σ = 3196108800. Its totient is φ = 1277229600.

The previous prime is 2152231271. The next prime is 2152231343. The reversal of 2152231323 is 3231322512.

It is a happy number.

It is not a de Polignac number, because 2152231323 - 2¹⁰ = 2152230299 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2152231293 and 2152231302.

It is not an unprimeable number, because it can be changed into a prime (2152231343) 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, 525598 + ... + 529676.

It is an arithmetic number, because the mean of its divisors is an integer number (99878400).

Almost surely, 2^2152231323 is an apocalyptic number.

2152231323 is a deficient number, since it is larger than the sum of its proper divisors (1043877477).

2152231323 is a wasteful number, since it uses less digits than its factorization.

2152231323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4423.

The product of its digits is 2160, while the sum is 24.

The square root of 2152231323 is about 46392.1472126480. The cubic root of 2152231323 is about 1291.1092202202.

Adding to 2152231323 its reverse (3231322512), we get a palindrome (5383553835).

The spelling of 2152231323 in words is "two billion, one hundred fifty-two million, two hundred thirty-one thousand, three hundred twenty-three".