42343565 has 16 divisors (see below), whose sum is σ = 55814400. Its totient is φ = 30582720.

The previous prime is 42343547. The next prime is 42343573. The reversal of 42343565 is 56534324.

It is not a de Polignac number, because 42343565 - 2⁶ = 42343501 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5612 + ... + 10778.

It is an arithmetic number, because the mean of its divisors is an integer number (3488400).

Almost surely, 2^42343565 is an apocalyptic number.

It is an amenable number.

42343565 is a deficient number, since it is larger than the sum of its proper divisors (13470835).

42343565 is a wasteful number, since it uses less digits than its factorization.

42343565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5332.

The product of its digits is 43200, while the sum is 32.

The square root of 42343565 is about 6507.1933273878. The cubic root of 42343565 is about 348.5479021615.

Adding to 42343565 its reverse (56534324), we get a palindrome (98877889).

The spelling of 42343565 in words is "forty-two million, three hundred forty-three thousand, five hundred sixty-five".