42386423 has 16 divisors (see below), whose sum is σ = 46730880. Its totient is φ = 38278656.

The previous prime is 42386419. The next prime is 42386431. The reversal of 42386423 is 32468324.

It is a cyclic number.

It is not a de Polignac number, because 42386423 - 2² = 42386419 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42386423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42386453) 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, 49265 + ... + 50117.

It is an arithmetic number, because the mean of its divisors is an integer number (2920680).

Almost surely, 2^42386423 is an apocalyptic number.

42386423 is a deficient number, since it is larger than the sum of its proper divisors (4344457).

42386423 is a wasteful number, since it uses less digits than its factorization.

42386423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 986.

The product of its digits is 27648, while the sum is 32.

The square root of 42386423 is about 6510.4856193682. The cubic root of 42386423 is about 348.6654566547.

The spelling of 42386423 in words is "forty-two million, three hundred eighty-six thousand, four hundred twenty-three".