323400745 has 4 divisors (see below), whose sum is σ = 388080900. Its totient is φ = 258720592.

The previous prime is 323400719. The next prime is 323400761. The reversal of 323400745 is 547004323.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 227889216 + 95511529 = 15096^2 + 9773^2 .

It is a cyclic number.

It is not a de Polignac number, because 323400745 - 2⁵ = 323400713 is a prime.

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, 32340070 + ... + 32340079.

It is an arithmetic number, because the mean of its divisors is an integer number (97020225).

Almost surely, 2^323400745 is an apocalyptic number.

It is an amenable number.

323400745 is a deficient number, since it is larger than the sum of its proper divisors (64680155).

323400745 is an equidigital number, since it uses as much as digits as its factorization.

323400745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64680154.

The product of its (nonzero) digits is 10080, while the sum is 28.

The square root of 323400745 is about 17983.3463237519. The cubic root of 323400745 is about 686.4048423934.

The spelling of 323400745 in words is "three hundred twenty-three million, four hundred thousand, seven hundred forty-five".