2143204215 has 8 divisors (see below), whose sum is σ = 3429126768. Its totient is φ = 1143042240.

The previous prime is 2143204201. The next prime is 2143204289. The reversal of 2143204215 is 5124023412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2143204215 - 2¹⁰ = 2143203191 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71440126 + ... + 71440155.

It is an arithmetic number, because the mean of its divisors is an integer number (428640846).

Almost surely, 2^2143204215 is an apocalyptic number.

2143204215 is a deficient number, since it is larger than the sum of its proper divisors (1285922553).

2143204215 is a wasteful number, since it uses less digits than its factorization.

2143204215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142880289.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 2143204215 is about 46294.7536444466. The cubic root of 2143204215 is about 1289.3015899776.

Adding to 2143204215 its reverse (5124023412), we get a palindrome (7267227627).

The spelling of 2143204215 in words is "two billion, one hundred forty-three million, two hundred four thousand, two hundred fifteen".