42765323 has 4 divisors (see below), whose sum is σ = 42796248. Its totient is φ = 42734400.

The previous prime is 42765311. The next prime is 42765341. The reversal of 42765323 is 32356724.

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 42765323 - 2⁶ = 42765259 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42765323.

It is not an unprimeable number, because it can be changed into a prime (42762323) 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, 13286 + ... + 16187.

It is an arithmetic number, because the mean of its divisors is an integer number (10699062).

Almost surely, 2^42765323 is an apocalyptic number.

42765323 is a deficient number, since it is larger than the sum of its proper divisors (30925).

42765323 is a wasteful number, since it uses less digits than its factorization.

42765323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30924.

The product of its digits is 30240, while the sum is 32.

The square root of 42765323 is about 6539.5200894255. The cubic root of 42765323 is about 349.7013043445.

The spelling of 42765323 in words is "forty-two million, seven hundred sixty-five thousand, three hundred twenty-three".