42303564 has 18 divisors (see below), whose sum is σ = 106934100. Its totient is φ = 14101176.

The previous prime is 42303563. The next prime is 42303571. The reversal of 42303564 is 46530324.

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (42303563) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 587514 + ... + 587585.

Almost surely, 2^42303564 is an apocalyptic number.

It is an amenable number.

42303564 is an abundant number, since it is smaller than the sum of its proper divisors (64630536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42303564 is a wasteful number, since it uses less digits than its factorization.

42303564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1175109 (or 1175104 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 42303564 is about 6504.1190026014. The cubic root of 42303564 is about 348.4381124980.

Adding to 42303564 its reverse (46530324), we get a palindrome (88833888).

The spelling of 42303564 in words is "forty-two million, three hundred three thousand, five hundred sixty-four".