2132323445 has 24 divisors (see below), whose sum is σ = 3105972864. Its totient is φ = 1398588576.

The previous prime is 2132323433. The next prime is 2132323463. The reversal of 2132323445 is 5443232312.

It is a happy number.

It is not a de Polignac number, because 2132323445 - 2³⁰ = 1058581621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 183569 + ... + 194838.

It is an arithmetic number, because the mean of its divisors is an integer number (129415536).

Almost surely, 2^2132323445 is an apocalyptic number.

It is an amenable number.

2132323445 is a deficient number, since it is larger than the sum of its proper divisors (973649419).

2132323445 is a wasteful number, since it uses less digits than its factorization.

2132323445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378449 (or 378442 counting only the distinct ones).

The product of its digits is 17280, while the sum is 29.

The square root of 2132323445 is about 46177.0878791636. The cubic root of 2132323445 is about 1287.1160148154.

Adding to 2132323445 its reverse (5443232312), we get a palindrome (7575555757).

The spelling of 2132323445 in words is "two billion, one hundred thirty-two million, three hundred twenty-three thousand, four hundred forty-five".