323440334293 has 4 divisors (see below), whose sum is σ = 323640113760. Its totient is φ = 323240554828.

The previous prime is 323440334279. The next prime is 323440334297. The reversal of 323440334293 is 392433044323.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-323440334293 is a prime.

It is a super-2 number, since 2×323440334293² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323440334297) 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, 99887305 + ... + 99890542.

It is an arithmetic number, because the mean of its divisors is an integer number (80910028440).

Almost surely, 2^323440334293 is an apocalyptic number.

It is an amenable number.

323440334293 is a deficient number, since it is larger than the sum of its proper divisors (199779467).

323440334293 is a wasteful number, since it uses less digits than its factorization.

323440334293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199779466.

The product of its (nonzero) digits is 559872, while the sum is 40.

The spelling of 323440334293 in words is "three hundred twenty-three billion, four hundred forty million, three hundred thirty-four thousand, two hundred ninety-three".