23540343 has 8 divisors (see below), whose sum is σ = 31449456. Its totient is φ = 15662400.

The previous prime is 23540333. The next prime is 23540347. The reversal of 23540343 is 34304532.

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

It is not a de Polignac number, because 23540343 - 2²² = 19346039 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23540347) 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, 5968 + ... + 9093.

It is an arithmetic number, because the mean of its divisors is an integer number (3931182).

Almost surely, 2^23540343 is an apocalyptic number.

23540343 is a deficient number, since it is larger than the sum of its proper divisors (7909113).

23540343 is a wasteful number, since it uses less digits than its factorization.

23540343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15585.

The product of its (nonzero) digits is 4320, while the sum is 24.

The square root of 23540343 is about 4851.8391358329. The cubic root of 23540343 is about 286.5965306756.

Adding to 23540343 its reverse (34304532), we get a palindrome (57844875).

The spelling of 23540343 in words is "twenty-three million, five hundred forty thousand, three hundred forty-three".