23142343 has 4 divisors (see below), whose sum is σ = 26448400. Its totient is φ = 19836288.

The previous prime is 23142341. The next prime is 23142367. The reversal of 23142343 is 34324132.

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 23142343 - 2¹ = 23142341 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 (23142341) 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, 1653018 + ... + 1653031.

It is an arithmetic number, because the mean of its divisors is an integer number (6612100).

Almost surely, 2^23142343 is an apocalyptic number.

23142343 is a deficient number, since it is larger than the sum of its proper divisors (3306057).

23142343 is an equidigital number, since it uses as much as digits as its factorization.

23142343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3306056.

The product of its digits is 1728, while the sum is 22.

The square root of 23142343 is about 4810.6489167263. The cubic root of 23142343 is about 284.9721651281.

Adding to 23142343 its reverse (34324132), we get a palindrome (57466475).

The spelling of 23142343 in words is "twenty-three million, one hundred forty-two thousand, three hundred forty-three".