2143230201 has 24 divisors (see below), whose sum is σ = 3573071424. Its totient is φ = 1212573600.

The previous prime is 2143230197. The next prime is 2143230251. The reversal of 2143230201 is 1020323412.

2143230201 is a `hidden beast` number, since 2 + 1 + 432 + 30 + 201 = 666.

It is not a de Polignac number, because 2143230201 - 2² = 2143230197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2143230251) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 162051 + ... + 174776.

It is an arithmetic number, because the mean of its divisors is an integer number (148877976).

Almost surely, 2^2143230201 is an apocalyptic number.

2143230201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2143230201 is a deficient number, since it is larger than the sum of its proper divisors (1429841223).

2143230201 is a wasteful number, since it uses less digits than its factorization.

2143230201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336941 (or 336938 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2143230201 is about 46295.0343017477. The cubic root of 2143230201 is about 1289.3068008134.

Adding to 2143230201 its reverse (1020323412), we get a palindrome (3163553613).

The spelling of 2143230201 in words is "two billion, one hundred forty-three million, two hundred thirty thousand, two hundred one".