23745142 has 16 divisors (see below), whose sum is σ = 37182240. Its totient is φ = 11358592.

The previous prime is 23745133. The next prime is 23745167. The reversal of 23745142 is 24154732.

It is a self number, because there is not a number n which added to its sum of digits gives 23745142.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4743 + ... + 8365.

It is an arithmetic number, because the mean of its divisors is an integer number (2323890).

Almost surely, 2^23745142 is an apocalyptic number.

23745142 is a deficient number, since it is larger than the sum of its proper divisors (13437098).

23745142 is a wasteful number, since it uses less digits than its factorization.

23745142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3767.

The product of its digits is 6720, while the sum is 28.

The square root of 23745142 is about 4872.8987266308. The cubic root of 23745142 is about 287.4252539147.

Adding to 23745142 its reverse (24154732), we get a palindrome (47899874).

The spelling of 23745142 in words is "twenty-three million, seven hundred forty-five thousand, one hundred forty-two".