42423927 has 16 divisors (see below), whose sum is σ = 69619200. Its totient is φ = 22377312.

The previous prime is 42423923. The next prime is 42423943. The reversal of 42423927 is 72932424.

It is not a de Polignac number, because 42423927 - 2² = 42423923 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42423923) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77427 + ... + 77972.

It is an arithmetic number, because the mean of its divisors is an integer number (4351200).

Almost surely, 2^42423927 is an apocalyptic number.

42423927 is a deficient number, since it is larger than the sum of its proper divisors (27195273).

42423927 is a wasteful number, since it uses less digits than its factorization.

42423927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155422.

The product of its digits is 24192, while the sum is 33.

The square root of 42423927 is about 6513.3652592189. The cubic root of 42423927 is about 348.7682607568.

The spelling of 42423927 in words is "forty-two million, four hundred twenty-three thousand, nine hundred twenty-seven".