23427743 has 4 divisors (see below), whose sum is σ = 23474280. Its totient is φ = 23381208.

The previous prime is 23427739. The next prime is 23427763. The reversal of 23427743 is 34772432.

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 23427743 - 2² = 23427739 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 (23427713) 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, 22505 + ... + 23522.

It is an arithmetic number, because the mean of its divisors is an integer number (5868570).

Almost surely, 2^23427743 is an apocalyptic number.

23427743 is a deficient number, since it is larger than the sum of its proper divisors (46537).

23427743 is an equidigital number, since it uses as much as digits as its factorization.

23427743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46536.

The product of its digits is 28224, while the sum is 32.

The square root of 23427743 is about 4840.2213792346. The cubic root of 23427743 is about 286.1388432086.

The spelling of 23427743 in words is "twenty-three million, four hundred twenty-seven thousand, seven hundred forty-three".