1232313543 has 12 divisors (see below), whose sum is σ = 1796645448. Its totient is φ = 813863760.

The previous prime is 1232313503. The next prime is 1232313623. The reversal of 1232313543 is 3453132321.

It is not a de Polignac number, because 1232313543 - 2⁹ = 1232313031 is a prime.

It is a super-2 number, since 2×1232313543² = 3037193336522425698, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232313503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 638868 + ... + 640793.

It is an arithmetic number, because the mean of its divisors is an integer number (149720454).

Almost surely, 2^1232313543 is an apocalyptic number.

1232313543 is a deficient number, since it is larger than the sum of its proper divisors (564331905).

1232313543 is a wasteful number, since it uses less digits than its factorization.

1232313543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1279774 (or 1279771 counting only the distinct ones).

The product of its digits is 6480, while the sum is 27.

The square root of 1232313543 is about 35104.3237080562. The cubic root of 1232313543 is about 1072.1126173619.

Adding to 1232313543 its reverse (3453132321), we get a palindrome (4685445864).

The spelling of 1232313543 in words is "one billion, two hundred thirty-two million, three hundred thirteen thousand, five hundred forty-three".