323453545 has 4 divisors (see below), whose sum is σ = 388144260. Its totient is φ = 258762832.

The previous prime is 323453527. The next prime is 323453561. The reversal of 323453545 is 545354323.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 545354323 = 8609 ⋅63347.

It can be written as a sum of positive squares in 2 ways, for example, as 126247696 + 197205849 = 11236^2 + 14043^2 .

It is a cyclic number.

It is not a de Polignac number, because 323453545 - 2⁵ = 323453513 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 323453545.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32345350 + ... + 32345359.

It is an arithmetic number, because the mean of its divisors is an integer number (97036065).

Almost surely, 2^323453545 is an apocalyptic number.

It is an amenable number.

323453545 is a deficient number, since it is larger than the sum of its proper divisors (64690715).

323453545 is an equidigital number, since it uses as much as digits as its factorization.

323453545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64690714.

The product of its digits is 108000, while the sum is 34.

The square root of 323453545 is about 17984.8142887270. The cubic root of 323453545 is about 686.4421956402.

The spelling of 323453545 in words is "three hundred twenty-three million, four hundred fifty-three thousand, five hundred forty-five".