42423300 has 54 divisors (see below), whose sum is σ = 132976298. Its totient is φ = 11312640.

The previous prime is 42423289. The next prime is 42423307. The reversal of 42423300 is 332424.

It can be written as a sum of positive squares in 3 ways, for example, as 665856 + 41757444 = 816^2 + 6462^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (42423307) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 22669 + ... + 24468.

Almost surely, 2^42423300 is an apocalyptic number.

It is an amenable number.

42423300 is an abundant number, since it is smaller than the sum of its proper divisors (90552998).

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

42423300 is a wasteful number, since it uses less digits than its factorization.

42423300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47157 (or 47147 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 42423300 is about 6513.3171272402. The cubic root of 42423300 is about 348.7665425537.

Adding to 42423300 its reverse (332424), we get a palindrome (42755724).

The spelling of 42423300 in words is "forty-two million, four hundred twenty-three thousand, three hundred".