2143232315 has 24 divisors (see below), whose sum is σ = 3015378432. Its totient is φ = 1458051840.

The previous prime is 2143232309. The next prime is 2143232323. The reversal of 2143232315 is 5132323412.

It is a happy number.

It is not a de Polignac number, because 2143232315 - 2⁶ = 2143232251 is a prime.

It is a Duffinian 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, 3326 + ... + 65555.

It is an arithmetic number, because the mean of its divisors is an integer number (125640768).

Almost surely, 2^2143232315 is an apocalyptic number.

2143232315 is a deficient number, since it is larger than the sum of its proper divisors (872146117).

2143232315 is a wasteful number, since it uses less digits than its factorization.

2143232315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69027 (or 69020 counting only the distinct ones).

The product of its digits is 4320, while the sum is 26.

The square root of 2143232315 is about 46295.0571335645. The cubic root of 2143232315 is about 1289.3072247209.

Adding to 2143232315 its reverse (5132323412), we get a palindrome (7275555727).

The spelling of 2143232315 in words is "two billion, one hundred forty-three million, two hundred thirty-two thousand, three hundred fifteen".