42623055 has 36 divisors (see below), whose sum is σ = 75354552. Its totient is φ = 22286880.

The previous prime is 42623027. The next prime is 42623057. The reversal of 42623055 is 55032624.

42623055 is a `hidden beast` number, since 426 + 230 + 5 + 5 = 666.

It is not a de Polignac number, because 42623055 - 2¹⁰ = 42622031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42623057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 201900 + ... + 202110.

It is an arithmetic number, because the mean of its divisors is an integer number (2093182).

Almost surely, 2^42623055 is an apocalyptic number.

42623055 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

42623055 is a deficient number, since it is larger than the sum of its proper divisors (32731497).

42623055 is a wasteful number, since it uses less digits than its factorization.

42623055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356 (or 286 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 42623055 is about 6528.6334711025. The cubic root of 42623055 is about 349.3130881192.

Adding to 42623055 its reverse (55032624), we get a palindrome (97655679).

The spelling of 42623055 in words is "forty-two million, six hundred twenty-three thousand, fifty-five".