23424743 has 4 divisors (see below), whose sum is σ = 23438520. Its totient is φ = 23410968.

The previous prime is 23424733. The next prime is 23424749. The reversal of 23424743 is 34742432.

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 23424743 - 2¹⁸ = 23162599 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 (23424749) 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, 3908 + ... + 7881.

It is an arithmetic number, because the mean of its divisors is an integer number (5859630).

Almost surely, 2^23424743 is an apocalyptic number.

23424743 is a deficient number, since it is larger than the sum of its proper divisors (13777).

23424743 is a wasteful number, since it uses less digits than its factorization.

23424743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13776.

The product of its digits is 16128, while the sum is 29.

The square root of 23424743 is about 4839.9114661324. The cubic root of 23424743 is about 286.1266290121.

It can be divided in two parts, 2 and 3424743, that multiplied together give a palindrome (6849486).

The spelling of 23424743 in words is "twenty-three million, four hundred twenty-four thousand, seven hundred forty-three".