23505343 has 4 divisors (see below), whose sum is σ = 23827408. Its totient is φ = 23183280.

The previous prime is 23505319. The next prime is 23505353. The reversal of 23505343 is 34350532.

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 23505343 - 2¹⁷ = 23374271 is a prime.

It is a super-2 number, since 2×23505343² = 1105002299095298, which 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 (23505353) 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, 160923 + ... + 161068.

It is an arithmetic number, because the mean of its divisors is an integer number (5956852).

Almost surely, 2^23505343 is an apocalyptic number.

23505343 is a deficient number, since it is larger than the sum of its proper divisors (322065).

23505343 is an equidigital number, since it uses as much as digits as its factorization.

23505343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322064.

The product of its (nonzero) digits is 5400, while the sum is 25.

The square root of 23505343 is about 4848.2309144677. The cubic root of 23505343 is about 286.4544220974.

Adding to 23505343 its reverse (34350532), we get a palindrome (57855875).

The spelling of 23505343 in words is "twenty-three million, five hundred five thousand, three hundred forty-three".