42923847 has 8 divisors (see below), whose sum is σ = 58562944. Its totient is φ = 27950328.

The previous prime is 42923833. The next prime is 42923851. The reversal of 42923847 is 74832924.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42923847 - 2⁷ = 42923719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42923887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166243 + ... + 166500.

It is an arithmetic number, because the mean of its divisors is an integer number (7320368).

Almost surely, 2^42923847 is an apocalyptic number.

42923847 is a deficient number, since it is larger than the sum of its proper divisors (15639097).

42923847 is a wasteful number, since it uses less digits than its factorization.

42923847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332789.

The product of its digits is 96768, while the sum is 39.

The square root of 42923847 is about 6551.6293393323. The cubic root of 42923847 is about 350.1328665618.

The spelling of 42923847 in words is "forty-two million, nine hundred twenty-three thousand, eight hundred forty-seven".