24142123 has 4 divisors (see below), whose sum is σ = 24974640. Its totient is φ = 23309608.

The previous prime is 24142117. The next prime is 24142169. The reversal of 24142123 is 32124142.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-24142123 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 24142123.

It is not an unprimeable number, because it can be changed into a prime (24142523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 416215 + ... + 416272.

It is an arithmetic number, because the mean of its divisors is an integer number (6243660).

Almost surely, 2^24142123 is an apocalyptic number.

24142123 is a deficient number, since it is larger than the sum of its proper divisors (832517).

24142123 is an equidigital number, since it uses as much as digits as its factorization.

24142123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 832516.

The product of its digits is 384, while the sum is 19.

The square root of 24142123 is about 4913.4634424202. The cubic root of 24142123 is about 289.0181739268.

Adding to 24142123 its reverse (32124142), we get a palindrome (56266265).

The spelling of 24142123 in words is "twenty-four million, one hundred forty-two thousand, one hundred twenty-three".