2312543 has 8 divisors (see below), whose sum is σ = 2365440. Its totient is φ = 2260440.

The previous prime is 2312539. The next prime is 2312573. The reversal of 2312543 is 3452132.

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 2312543 - 2² = 2312539 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2312573) 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, 16568 + ... + 16706.

It is an arithmetic number, because the mean of its divisors is an integer number (295680).

2^2312543 is an apocalyptic number.

2312543 is a deficient number, since it is larger than the sum of its proper divisors (52897).

2312543 is a wasteful number, since it uses less digits than its factorization.

2312543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397.

The product of its digits is 720, while the sum is 20.

The square root of 2312543 is about 1520.7047708217. The cubic root of 2312543 is about 132.2401314577.

Adding to 2312543 its reverse (3452132), we get a palindrome (5764675).

The spelling of 2312543 in words is "two million, three hundred twelve thousand, five hundred forty-three".