2143524263 has 4 divisors (see below), whose sum is σ = 2145604368. Its totient is φ = 2141444160.

The previous prime is 2143524223. The next prime is 2143524287. The reversal of 2143524263 is 3624253412.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2143524263 - 2¹⁸ = 2143262119 is a prime.

It is a super-4 number, since 4×2143524263⁴ (a number of 38 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143524223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1038506 + ... + 1040567.

It is an arithmetic number, because the mean of its divisors is an integer number (536401092).

Almost surely, 2^2143524263 is an apocalyptic number.

2143524263 is a deficient number, since it is larger than the sum of its proper divisors (2080105).

2143524263 is a wasteful number, since it uses less digits than its factorization.

2143524263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2080104.

The product of its digits is 34560, while the sum is 32.

The square root of 2143524263 is about 46298.2101489896. The cubic root of 2143524263 is about 1289.3657645835.

Adding to 2143524263 its reverse (3624253412), we get a palindrome (5767777675).

The spelling of 2143524263 in words is "two billion, one hundred forty-three million, five hundred twenty-four thousand, two hundred sixty-three".