323402045 has 16 divisors (see below), whose sum is σ = 396930672. Its totient is φ = 252887040.

The previous prime is 323402041. The next prime is 323402047. The reversal of 323402045 is 540204323.

It can be written as a sum of positive squares in 8 ways, for example, as 58461316 + 264940729 = 7646^2 + 16277^2 .

It is not a de Polignac number, because 323402045 - 2² = 323402041 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 323402045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323402041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37325 + ... + 45165.

It is an arithmetic number, because the mean of its divisors is an integer number (24808167).

Almost surely, 2^323402045 is an apocalyptic number.

It is an amenable number.

323402045 is a deficient number, since it is larger than the sum of its proper divisors (73528627).

323402045 is a wasteful number, since it uses less digits than its factorization.

323402045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8032.

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 323402045 is about 17983.3824682678. The cubic root of 323402045 is about 686.4057621244.

Adding to 323402045 its reverse (540204323), we get a palindrome (863606368).

The spelling of 323402045 in words is "three hundred twenty-three million, four hundred two thousand, forty-five".