23718442 has 8 divisors (see below), whose sum is σ = 38812032. Its totient is φ = 10781100.

The previous prime is 23718439. The next prime is 23718449. The reversal of 23718442 is 24481732.

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

It is not an unprimeable number, because it can be changed into a prime (23718449) 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, 539034 + ... + 539077.

It is an arithmetic number, because the mean of its divisors is an integer number (4851504).

Almost surely, 2^23718442 is an apocalyptic number.

23718442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

23718442 is a deficient number, since it is larger than the sum of its proper divisors (15093590).

23718442 is a wasteful number, since it uses less digits than its factorization.

23718442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1078124.

The product of its digits is 10752, while the sum is 31.

The square root of 23718442 is about 4870.1583136485. The cubic root of 23718442 is about 287.3174826424.

The spelling of 23718442 in words is "twenty-three million, seven hundred eighteen thousand, four hundred forty-two".