42923329 has 8 divisors (see below), whose sum is σ = 43547328. Its totient is φ = 42304080.

The previous prime is 42923311. The next prime is 42923347. The reversal of 42923329 is 92332924.

It is a happy number.

42923329 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (42923311) and next prime (42923347).

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 42923329 - 2¹³ = 42915137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42923294 and 42923303.

It is not an unprimeable number, because it can be changed into a prime (42923399) 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 7 ways as a sum of consecutive naturals, for example, 19524 + ... + 21610.

It is an arithmetic number, because the mean of its divisors is an integer number (5443416).

Almost surely, 2^42923329 is an apocalyptic number.

It is an amenable number.

42923329 is a deficient number, since it is larger than the sum of its proper divisors (623999).

42923329 is a wasteful number, since it uses less digits than its factorization.

42923329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2375.

The product of its digits is 23328, while the sum is 34.

The square root of 42923329 is about 6551.5898070621. The cubic root of 42923329 is about 350.1314581019.

The spelling of 42923329 in words is "forty-two million, nine hundred twenty-three thousand, three hundred twenty-nine".