42184923 has 16 divisors (see below), whose sum is σ = 61471872. Its totient is φ = 25520000.

The previous prime is 42184867. The next prime is 42184927. The reversal of 42184923 is 32948124.

42184923 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42184923 - 2¹⁰ = 42183899 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (42184927) 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 15 ways as a sum of consecutive naturals, for example, 28348 + ... + 29798.

It is an arithmetic number, because the mean of its divisors is an integer number (3841992).

Almost surely, 2^42184923 is an apocalyptic number.

42184923 is a deficient number, since it is larger than the sum of its proper divisors (19286949).

42184923 is a wasteful number, since it uses less digits than its factorization.

42184923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2346.

The product of its digits is 13824, while the sum is 33.

The square root of 42184923 is about 6494.9921478013. The cubic root of 42184923 is about 348.1120741547.

The spelling of 42184923 in words is "forty-two million, one hundred eighty-four thousand, nine hundred twenty-three".