42923530 has 32 divisors (see below), whose sum is σ = 85897728. Its totient is φ = 15336000.

The previous prime is 42923501. The next prime is 42923537. The reversal of 42923530 is 3532924.

42923530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (42923537) 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, 1296 + ... + 9355.

It is an arithmetic number, because the mean of its divisors is an integer number (2684304).

Almost surely, 2^42923530 is an apocalyptic number.

42923530 is an abundant number, since it is smaller than the sum of its proper divisors (42974198).

42923530 is a wasteful number, since it uses less digits than its factorization.

42923530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10702.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 42923530 is about 6551.6051468323. The cubic root of 42923530 is about 350.1320046292.

The spelling of 42923530 in words is "forty-two million, nine hundred twenty-three thousand, five hundred thirty".