2143023211 has 8 divisors (see below), whose sum is σ = 2528175104. Its totient is φ = 1777622760.

The previous prime is 2143023209. The next prime is 2143023227. The reversal of 2143023211 is 1123203412.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2143023211 - 2¹ = 2143023209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2143023241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4937625 + ... + 4938058.

It is an arithmetic number, because the mean of its divisors is an integer number (316021888).

Almost surely, 2^2143023211 is an apocalyptic number.

2143023211 is a deficient number, since it is larger than the sum of its proper divisors (385151893).

2143023211 is an equidigital number, since it uses as much as digits as its factorization.

2143023211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9875721.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2143023211 is about 46292.7986948294. The cubic root of 2143023211 is about 1289.2652930298.

Adding to 2143023211 its reverse (1123203412), we get a palindrome (3266226623).

The spelling of 2143023211 in words is "two billion, one hundred forty-three million, twenty-three thousand, two hundred eleven".