323240045431 has 8 divisors (see below), whose sum is σ = 324036135360. Its totient is φ = 322444184832.

The previous prime is 323240045419. The next prime is 323240045441. The reversal of 323240045431 is 134540042323.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 323240045431 - 2²¹ = 323237948279 is a prime.

It is a super-2 number, since 2×323240045431² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 323240045393 and 323240045402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323240045441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2959611 + ... + 3066883.

It is an arithmetic number, because the mean of its divisors is an integer number (40504516920).

Almost surely, 2^323240045431 is an apocalyptic number.

323240045431 is a deficient number, since it is larger than the sum of its proper divisors (796089929).

323240045431 is a wasteful number, since it uses less digits than its factorization.

323240045431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114665.

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 323240045431 its reverse (134540042323), we get a palindrome (457780087754).

The spelling of 323240045431 in words is "three hundred twenty-three billion, two hundred forty million, forty-five thousand, four hundred thirty-one".