23318742 has 8 divisors (see below), whose sum is σ = 46637496. Its totient is φ = 7772912.

The previous prime is 23318741. The next prime is 23318749. The reversal of 23318742 is 24781332.

It is a sphenic number, since it is the product of 3 distinct primes.

23318742 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23318741) 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, 1943223 + ... + 1943234.

It is an arithmetic number, because the mean of its divisors is an integer number (5829687).

Almost surely, 2^23318742 is an apocalyptic number.

23318742 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23318742 is a wasteful number, since it uses less digits than its factorization.

23318742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3886462.

The product of its digits is 8064, while the sum is 30.

The square root of 23318742 is about 4828.9483327118. The cubic root of 23318742 is about 285.6943855902.

The spelling of 23318742 in words is "twenty-three million, three hundred eighteen thousand, seven hundred forty-two".