424142123 has 4 divisors (see below), whose sum is σ = 425673600. Its totient is φ = 422610648.

The previous prime is 424142113. The next prime is 424142141. The reversal of 424142123 is 321241424.

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 424142123 - 2⁸ = 424141867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (424142113) 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, 765323 + ... + 765876.

It is an arithmetic number, because the mean of its divisors is an integer number (106418400).

Almost surely, 2^424142123 is an apocalyptic number.

424142123 is a deficient number, since it is larger than the sum of its proper divisors (1531477).

424142123 is a wasteful number, since it uses less digits than its factorization.

424142123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1531476.

The product of its digits is 1536, while the sum is 23.

The square root of 424142123 is about 20594.7110443434. The cubic root of 424142123 is about 751.3410808698.

Adding to 424142123 its reverse (321241424), we get a palindrome (745383547).

It can be divided in two parts, 4241 and 42123, that added together give a palindrome (46364).

The spelling of 424142123 in words is "four hundred twenty-four million, one hundred forty-two thousand, one hundred twenty-three".