23042 has 8 divisors (see below), whose sum is σ = 35532. Its totient is φ = 11200.

The previous prime is 23041. The next prime is 23053. The reversal of 23042 is 24032.

It can be written as a sum of positive squares in 2 ways, for example, as 22201 + 841 = 149^2 + 29^2 .

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

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 23042.

It is not an unprimeable number, because it can be changed into a prime (23041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59 + ... + 222.

2²³⁰⁴² is an apocalyptic number.

23042 is a deficient number, since it is larger than the sum of its proper divisors (12490).

23042 is a wasteful number, since it uses less digits than its factorization.

23042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324.

The product of its (nonzero) digits is 48, while the sum is 11.

The square root of 23042 is about 151.7959156236. The cubic root of 23042 is about 28.4559697670.

Adding to 23042 its reverse (24032), we get a palindrome (47074).

Subtracting 23042 from its reverse (24032), we obtain a triangular number (990 = T₄₄).

It can be divided in two parts, 230 and 42, that added together give a palindrome (272).

The spelling of 23042 in words is "twenty-three thousand, forty-two", and thus it is an iban number.