23215343 has 4 divisors (see below), whose sum is σ = 23225448. Its totient is φ = 23205240.

The previous prime is 23215327. The next prime is 23215351. The reversal of 23215343 is 34351232.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 23215343 - 2⁴ = 23215327 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 (23215393) 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, 248 + ... + 6818.

It is an arithmetic number, because the mean of its divisors is an integer number (5806362).

Almost surely, 2^23215343 is an apocalyptic number.

23215343 is a deficient number, since it is larger than the sum of its proper divisors (10105).

23215343 is an equidigital number, since it uses as much as digits as its factorization.

23215343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10104.

The product of its digits is 2160, while the sum is 23.

The square root of 23215343 is about 4818.2302767718. The cubic root of 23215343 is about 285.2714885046.

Adding to 23215343 its reverse (34351232), we get a palindrome (57566575).

The spelling of 23215343 in words is "twenty-three million, two hundred fifteen thousand, three hundred forty-three".