42923906 has 8 divisors (see below), whose sum is σ = 64987920. Its totient is φ = 21261268.

The previous prime is 42923887. The next prime is 42923971. The reversal of 42923906 is 60932924.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100076 + ... + 100503.

It is an arithmetic number, because the mean of its divisors is an integer number (8123490).

Almost surely, 2^42923906 is an apocalyptic number.

42923906 is a deficient number, since it is larger than the sum of its proper divisors (22064014).

42923906 is a wasteful number, since it uses less digits than its factorization.

42923906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200688.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 42923906 is about 6551.6338420275. The cubic root of 42923906 is about 350.1330269841.

The spelling of 42923906 in words is "forty-two million, nine hundred twenty-three thousand, nine hundred six".