2143124523 has 12 divisors (see below), whose sum is σ = 3096673528. Its totient is φ = 1428265440.

The previous prime is 2143124419. The next prime is 2143124549. The reversal of 2143124523 is 3254213412.

2143124523 is a `hidden beast` number, since 2 + 14 + 3 + 124 + 523 = 666.

It is not a de Polignac number, because 2143124523 - 2¹⁶ = 2143058987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2143124573) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11218 + ... + 66423.

Almost surely, 2^2143124523 is an apocalyptic number.

2143124523 is a deficient number, since it is larger than the sum of its proper divisors (953549005).

2143124523 is a wasteful number, since it uses less digits than its factorization.

2143124523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80714 (or 80711 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 2143124523 is about 46293.8929341657. The cubic root of 2143124523 is about 1289.2856094977.

Adding to 2143124523 its reverse (3254213412), we get a palindrome (5397337935).

Subtracting 2143124523 from its reverse (3254213412), we obtain a square (1111088889 = 33333²).

It can be divided in two parts, 21431 and 24523, that added together give a palindrome (45954).

The spelling of 2143124523 in words is "two billion, one hundred forty-three million, one hundred twenty-four thousand, five hundred twenty-three".