23304340331 has 4 divisors (see below), whose sum is σ = 23332726464. Its totient is φ = 23275954200.

The previous prime is 23304340327. The next prime is 23304340337. The reversal of 23304340331 is 13304340332.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 23304340331 - 2² = 23304340327 is a prime.

It is a super-2 number, since 2×23304340331² (a number of 22 digits) contains 22 as substring.

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 23304340331.

It is not an unprimeable number, because it can be changed into a prime (23304340337) 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, 14191835 + ... + 14193476.

It is an arithmetic number, because the mean of its divisors is an integer number (5833181616).

Almost surely, 2^23304340331 is an apocalyptic number.

23304340331 is a deficient number, since it is larger than the sum of its proper divisors (28386133).

23304340331 is an equidigital number, since it uses as much as digits as its factorization.

23304340331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28386132.

The product of its (nonzero) digits is 7776, while the sum is 26.

Adding to 23304340331 its reverse (13304340332), we get a palindrome (36608680663).

Subtracting from 23304340331 its reverse (13304340332), we obtain a palindrome (9999999999).

The spelling of 23304340331 in words is "twenty-three billion, three hundred four million, three hundred forty thousand, three hundred thirty-one".