23420343 has 8 divisors (see below), whose sum is σ = 31318000. Its totient is φ = 15568128.

The previous prime is 23420323. The next prime is 23420347. The reversal of 23420343 is 34302432.

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

It is not a de Polignac number, because 23420343 - 2⁸ = 23420087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23420347) 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, 10138 + ... + 12231.

It is an arithmetic number, because the mean of its divisors is an integer number (3914750).

Almost surely, 2^23420343 is an apocalyptic number.

23420343 is a deficient number, since it is larger than the sum of its proper divisors (7897657).

23420343 is a wasteful number, since it uses less digits than its factorization.

23420343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22721.

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 23420343 is about 4839.4568910158. The cubic root of 23420343 is about 286.1087129706.

Adding to 23420343 its reverse (34302432), we get a palindrome (57722775).

The spelling of 23420343 in words is "twenty-three million, four hundred twenty thousand, three hundred forty-three".