42142024123 has 4 divisors (see below), whose sum is σ = 43501444288. Its totient is φ = 40782603960.

The previous prime is 42142024039. The next prime is 42142024147. The reversal of 42142024123 is 32142024124.

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

It is a cyclic number.

It is not a de Polignac number, because 42142024123 - 2⁹ = 42142023611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42142024153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 679710036 + ... + 679710097.

It is an arithmetic number, because the mean of its divisors is an integer number (10875361072).

Almost surely, 2^42142024123 is an apocalyptic number.

42142024123 is a deficient number, since it is larger than the sum of its proper divisors (1359420165).

42142024123 is a wasteful number, since it uses less digits than its factorization.

42142024123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1359420164.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 42142024123 its reverse (32142024124), we get a palindrome (74284048247).

Subtracting from 42142024123 its reverse (32142024124), we obtain a palindrome (9999999999).

The spelling of 42142024123 in words is "forty-two billion, one hundred forty-two million, twenty-four thousand, one hundred twenty-three".