323342405 has 4 divisors (see below), whose sum is σ = 388010892. Its totient is φ = 258673920.

The previous prime is 323342351. The next prime is 323342407. The reversal of 323342405 is 504243323.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 504243323 = 59 ⋅8546497.

It can be written as a sum of positive squares in 2 ways, for example, as 125574436 + 197767969 = 11206^2 + 14063^2 .

It is not a de Polignac number, because 323342405 - 2²² = 319148101 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 (323342407) 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, 32334236 + ... + 32334245.

It is an arithmetic number, because the mean of its divisors is an integer number (97002723).

Almost surely, 2^323342405 is an apocalyptic number.

It is an amenable number.

323342405 is a deficient number, since it is larger than the sum of its proper divisors (64668487).

323342405 is an equidigital number, since it uses as much as digits as its factorization.

323342405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64668486.

The product of its (nonzero) digits is 8640, while the sum is 26.

The square root of 323342405 is about 17981.7241943035. The cubic root of 323342405 is about 686.3635651573.

Adding to 323342405 its reverse (504243323), we get a palindrome (827585728).

The spelling of 323342405 in words is "three hundred twenty-three million, three hundred forty-two thousand, four hundred five".