23472743 has 4 divisors (see below), whose sum is σ = 26826000. Its totient is φ = 20119488.

The previous prime is 23472731. The next prime is 23472749. The reversal of 23472743 is 34727432.

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 23472743 - 2⁴ = 23472727 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23472749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1676618 + ... + 1676631.

It is an arithmetic number, because the mean of its divisors is an integer number (6706500).

Almost surely, 2^23472743 is an apocalyptic number.

23472743 is a deficient number, since it is larger than the sum of its proper divisors (3353257).

23472743 is an equidigital number, since it uses as much as digits as its factorization.

23472743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3353256.

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

The square root of 23472743 is about 4844.8676968520. The cubic root of 23472743 is about 286.3219311612.

The spelling of 23472743 in words is "twenty-three million, four hundred seventy-two thousand, seven hundred forty-three".