13823142 has 32 divisors (see below), whose sum is σ = 29836512. Its totient is φ = 4253184.

The previous prime is 13823141. The next prime is 13823153. The reversal of 13823142 is 24132831.

It is a super-3 number, since 3×13823142³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13823141) 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 15 ways as a sum of consecutive naturals, for example, 4128 + ... + 6684.

It is an arithmetic number, because the mean of its divisors is an integer number (932391).

Almost surely, 2^13823142 is an apocalyptic number.

13823142 is an abundant number, since it is smaller than the sum of its proper divisors (16013370).

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

13823142 is a wasteful number, since it uses less digits than its factorization.

13823142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2632.

The product of its digits is 1152, while the sum is 24.

The square root of 13823142 is about 3717.9486279399. The cubic root of 13823142 is about 239.9950346195.

Adding to 13823142 its reverse (24132831), we get a palindrome (37955973).

The spelling of 13823142 in words is "thirteen million, eight hundred twenty-three thousand, one hundred forty-two".