42423767 has 4 divisors (see below), whose sum is σ = 42517056. Its totient is φ = 42330480.

The previous prime is 42423709. The next prime is 42423809. The reversal of 42423767 is 76732424.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42423767 - 2¹⁶ = 42358231 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 (42423167) 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, 45959 + ... + 46872.

It is an arithmetic number, because the mean of its divisors is an integer number (10629264).

Almost surely, 2^42423767 is an apocalyptic number.

42423767 is a deficient number, since it is larger than the sum of its proper divisors (93289).

42423767 is an equidigital number, since it uses as much as digits as its factorization.

42423767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93288.

The product of its digits is 56448, while the sum is 35.

The square root of 42423767 is about 6513.3529767701. The cubic root of 42423767 is about 348.7678223015.

The spelling of 42423767 in words is "forty-two million, four hundred twenty-three thousand, seven hundred sixty-seven".