4042123433 has 4 divisors (see below), whose sum is σ = 4042321920. Its totient is φ = 4041924948.

The previous prime is 4042123417. The next prime is 4042123529. The reversal of 4042123433 is 3343212404.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4042123433 - 2⁴ = 4042123417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4042126433) 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, 64685 + ... + 110762.

It is an arithmetic number, because the mean of its divisors is an integer number (1010580480).

Almost surely, 2^4042123433 is an apocalyptic number.

It is an amenable number.

4042123433 is a deficient number, since it is larger than the sum of its proper divisors (198487).

4042123433 is a wasteful number, since it uses less digits than its factorization.

4042123433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198486.

The product of its (nonzero) digits is 6912, while the sum is 26.

The square root of 4042123433 is about 63577.6960340653. The cubic root of 4042123433 is about 1592.9538373006.

Adding to 4042123433 its reverse (3343212404), we get a palindrome (7385335837).

The spelling of 4042123433 in words is "four billion, forty-two million, one hundred twenty-three thousand, four hundred thirty-three".