42303573 has 48 divisors (see below), whose sum is σ = 69335040. Its totient is φ = 25474176.

The previous prime is 42303571. The next prime is 42303581. The reversal of 42303573 is 37530324.

It is not a de Polignac number, because 42303573 - 2¹ = 42303571 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42303571) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 333036 + ... + 333162.

It is an arithmetic number, because the mean of its divisors is an integer number (1444480).

Almost surely, 2^42303573 is an apocalyptic number.

It is an amenable number.

42303573 is a deficient number, since it is larger than the sum of its proper divisors (27031467).

42303573 is a wasteful number, since it uses less digits than its factorization.

42303573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235 (or 216 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 27.

The square root of 42303573 is about 6504.1196944706. The cubic root of 42303573 is about 348.4381372078.

Adding to 42303573 its reverse (37530324), we get a palindrome (79833897).

The spelling of 42303573 in words is "forty-two million, three hundred three thousand, five hundred seventy-three".