323420545 has 16 divisors (see below), whose sum is σ = 444008448. Its totient is φ = 221544000.

The previous prime is 323420521. The next prime is 323420569. The reversal of 323420545 is 545024323.

It is an interprime number because it is at equal distance from previous prime (323420521) and next prime (323420569).

It is not a de Polignac number, because 323420545 - 2¹¹ = 323418497 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33795 + ... + 42295.

It is an arithmetic number, because the mean of its divisors is an integer number (27750528).

Almost surely, 2^323420545 is an apocalyptic number.

323420545 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

323420545 is a deficient number, since it is larger than the sum of its proper divisors (120587903).

323420545 is a wasteful number, since it uses less digits than its factorization.

323420545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9600.

The product of its (nonzero) digits is 14400, while the sum is 28.

The square root of 323420545 is about 17983.8968246596. The cubic root of 323420545 is about 686.4188503373.

Adding to 323420545 its reverse (545024323), we get a palindrome (868444868).

The spelling of 323420545 in words is "three hundred twenty-three million, four hundred twenty thousand, five hundred forty-five".