2143230523 has 8 divisors (see below), whose sum is σ = 2449748480. Its totient is φ = 1836798120.

The previous prime is 2143230499. The next prime is 2143230559. The reversal of 2143230523 is 3250323412.

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 2143230523 - 2⁵ = 2143230491 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2143230563) 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, 46798 + ... + 80476.

It is an arithmetic number, because the mean of its divisors is an integer number (306218560).

Almost surely, 2^2143230523 is an apocalyptic number.

2143230523 is a deficient number, since it is larger than the sum of its proper divisors (306517957).

2143230523 is an equidigital number, since it uses as much as digits as its factorization.

2143230523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42777.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 2143230523 is about 46295.0377794424. The cubic root of 2143230523 is about 1289.3068653821.

Adding to 2143230523 its reverse (3250323412), we get a palindrome (5393553935).

The spelling of 2143230523 in words is "two billion, one hundred forty-three million, two hundred thirty thousand, five hundred twenty-three".