42455323 has 4 divisors (see below), whose sum is σ = 42526800. Its totient is φ = 42383848.

The previous prime is 42455321. The next prime is 42455327. The reversal of 42455323 is 32355424.

42455323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 42455323 - 2¹ = 42455321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42455291 and 42455300.

It is not an unprimeable number, because it can be changed into a prime (42455321) 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, 34840 + ... + 36037.

It is an arithmetic number, because the mean of its divisors is an integer number (10631700).

Almost surely, 2^42455323 is an apocalyptic number.

42455323 is a deficient number, since it is larger than the sum of its proper divisors (71477).

42455323 is an equidigital number, since it uses as much as digits as its factorization.

42455323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71476.

The product of its digits is 14400, while the sum is 28.

The square root of 42455323 is about 6515.7749347257. The cubic root of 42455323 is about 348.8542753325.

It can be divided in two parts, 42455 and 323, that added together give a triangular number (42778 = T₂₉₂).

The spelling of 42455323 in words is "forty-two million, four hundred fifty-five thousand, three hundred twenty-three".