23340305343 has 4 divisors (see below), whose sum is σ = 31120407128. Its totient is φ = 15560203560.

The previous prime is 23340305321. The next prime is 23340305353. The reversal of 23340305343 is 34350304332.

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

It is not a de Polignac number, because 23340305343 - 2⁵ = 23340305311 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 23340305343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23340305353) 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, 3890050888 + ... + 3890050893.

It is an arithmetic number, because the mean of its divisors is an integer number (7780101782).

Almost surely, 2^23340305343 is an apocalyptic number.

23340305343 is a deficient number, since it is larger than the sum of its proper divisors (7780101785).

23340305343 is an equidigital number, since it uses as much as digits as its factorization.

23340305343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7780101784.

The product of its (nonzero) digits is 38880, while the sum is 30.

Adding to 23340305343 its reverse (34350304332), we get a palindrome (57690609675).

The spelling of 23340305343 in words is "twenty-three billion, three hundred forty million, three hundred five thousand, three hundred forty-three".