23162842 has 4 divisors (see below), whose sum is σ = 34744266. Its totient is φ = 11581420.

The previous prime is 23162837. The next prime is 23162849. The reversal of 23162842 is 24826132.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 13682601 + 9480241 = 3699^2 + 3079^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 23162842.

It is not an unprimeable number, because it can be changed into a prime (23162849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5790709 + ... + 5790712.

Almost surely, 2^23162842 is an apocalyptic number.

23162842 is a deficient number, since it is larger than the sum of its proper divisors (11581424).

23162842 is a wasteful number, since it uses less digits than its factorization.

23162842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11581423.

The product of its digits is 4608, while the sum is 28.

The square root of 23162842 is about 4812.7790308719. The cubic root of 23162842 is about 285.0562810775.

Adding to 23162842 its reverse (24826132), we get a palindrome (47988974).

The spelling of 23162842 in words is "twenty-three million, one hundred sixty-two thousand, eight hundred forty-two".