1032320543 has 4 divisors (see below), whose sum is σ = 1032403008. Its totient is φ = 1032238080.

The previous prime is 1032320533. The next prime is 1032320557. The reversal of 1032320543 is 3450232301.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3450232301 = 30509 ⋅113089.

It is a cyclic number.

It is not a de Polignac number, because 1032320543 - 2¹² = 1032316447 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 (1032320503) 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, 18146 + ... + 48927.

It is an arithmetic number, because the mean of its divisors is an integer number (258100752).

Almost surely, 2^1032320543 is an apocalyptic number.

1032320543 is a deficient number, since it is larger than the sum of its proper divisors (82465).

1032320543 is an equidigital number, since it uses as much as digits as its factorization.

1032320543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82464.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 1032320543 is about 32129.7454549519. The cubic root of 1032320543 is about 1010.6594859655.

Adding to 1032320543 its reverse (3450232301), we get a palindrome (4482552844).

The spelling of 1032320543 in words is "one billion, thirty-two million, three hundred twenty thousand, five hundred forty-three".