42023773 has 4 divisors (see below), whose sum is σ = 45844128. Its totient is φ = 38203420.

The previous prime is 42023767. The next prime is 42023789. The reversal of 42023773 is 37732024.

42023773 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is the 2647-th star number.

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 42023773 - 2⁵ = 42023741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42023743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1910161 + ... + 1910182.

It is an arithmetic number, because the mean of its divisors is an integer number (11461032).

Almost surely, 2^42023773 is an apocalyptic number.

It is an amenable number.

42023773 is a deficient number, since it is larger than the sum of its proper divisors (3820355).

42023773 is a wasteful number, since it uses less digits than its factorization.

42023773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3820354.

The product of its (nonzero) digits is 7056, while the sum is 28.

The square root of 42023773 is about 6482.5745657108. The cubic root of 42023773 is about 347.6682359133.

Adding to 42023773 its reverse (37732024), we get a palindrome (79755797).

The spelling of 42023773 in words is "forty-two million, twenty-three thousand, seven hundred seventy-three".