4242104123 has 4 divisors (see below), whose sum is σ = 4242291480. Its totient is φ = 4241916768.

The previous prime is 4242104117. The next prime is 4242104147. The reversal of 4242104123 is 3214012424.

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 4242104123 - 2⁸ = 4242103867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4242104323) 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, 54158 + ... + 106851.

It is an arithmetic number, because the mean of its divisors is an integer number (1060572870).

Almost surely, 2^4242104123 is an apocalyptic number.

4242104123 is a deficient number, since it is larger than the sum of its proper divisors (187357).

4242104123 is a wasteful number, since it uses less digits than its factorization.

4242104123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187356.

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

The square root of 4242104123 is about 65131.4372864594. The cubic root of 4242104123 is about 1618.8021581401.

Adding to 4242104123 its reverse (3214012424), we get a palindrome (7456116547).

The spelling of 4242104123 in words is "four billion, two hundred forty-two million, one hundred four thousand, one hundred twenty-three".