45323543 has 2 divisors, whose sum is σ = 45323544. Its totient is φ = 45323542.

The previous prime is 45323539. The next prime is 45323563. The reversal of 45323543 is 34532354.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45323543 - 2² = 45323539 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45323503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22661771 + 22661772.

It is an arithmetic number, because the mean of its divisors is an integer number (22661772).

Almost surely, 2^45323543 is an apocalyptic number.

45323543 is a deficient number, since it is larger than the sum of its proper divisors (1).

45323543 is an equidigital number, since it uses as much as digits as its factorization.

45323543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21600, while the sum is 29.

The square root of 45323543 is about 6732.2762123965. The cubic root of 45323543 is about 356.5397458943.

Adding to 45323543 its reverse (34532354), we get a palindrome (79855897).

The spelling of 45323543 in words is "forty-five million, three hundred twenty-three thousand, five hundred forty-three".