42427923 has 8 divisors (see below), whose sum is σ = 57090000. Its totient is φ = 28025568.

The previous prime is 42427921. The next prime is 42427993. The reversal of 42427923 is 32972424.

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

It is not a de Polignac number, because 42427923 - 2¹ = 42427921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42427921) 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, 64548 + ... + 65201.

It is an arithmetic number, because the mean of its divisors is an integer number (7136250).

Almost surely, 2^42427923 is an apocalyptic number.

42427923 is a deficient number, since it is larger than the sum of its proper divisors (14662077).

42427923 is a wasteful number, since it uses less digits than its factorization.

42427923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129861.

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

The square root of 42427923 is about 6513.6720058658. The cubic root of 42427923 is about 348.7792108213.

The spelling of 42427923 in words is "forty-two million, four hundred twenty-seven thousand, nine hundred twenty-three".