42823406 has 8 divisors (see below), whose sum is σ = 65115264. Its totient is φ = 21118320.

The previous prime is 42823387. The next prime is 42823409. The reversal of 42823406 is 60432824.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42823409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146510 + ... + 146801.

It is an arithmetic number, because the mean of its divisors is an integer number (8139408).

Almost surely, 2^42823406 is an apocalyptic number.

42823406 is a deficient number, since it is larger than the sum of its proper divisors (22291858).

42823406 is a wasteful number, since it uses less digits than its factorization.

42823406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293386.

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 42823406 is about 6543.9595047647. The cubic root of 42823406 is about 349.8595518117.

The spelling of 42823406 in words is "forty-two million, eight hundred twenty-three thousand, four hundred six".