42623273 has 8 divisors (see below), whose sum is σ = 53140800. Its totient is φ = 33212880.

The previous prime is 42623249. The next prime is 42623279. The reversal of 42623273 is 37232624.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42623273 - 2¹⁶ = 42557737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42623279) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 276698 + ... + 276851.

It is an arithmetic number, because the mean of its divisors is an integer number (6642600).

Almost surely, 2^42623273 is an apocalyptic number.

It is an amenable number.

42623273 is a deficient number, since it is larger than the sum of its proper divisors (10517527).

42623273 is a wasteful number, since it uses less digits than its factorization.

42623273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553567.

The product of its digits is 12096, while the sum is 29.

The square root of 42623273 is about 6528.6501667649. The cubic root of 42623273 is about 349.3136836507.

Adding to 42623273 its reverse (37232624), we get a palindrome (79855897).

The spelling of 42623273 in words is "forty-two million, six hundred twenty-three thousand, two hundred seventy-three".