42300100 has 18 divisors (see below), whose sum is σ = 91791434. Its totient is φ = 16920000.

The previous prime is 42300091. The next prime is 42300101. The reversal of 42300100 is 100324.

It can be written as a sum of positive squares in 3 ways, for example, as 2534464 + 39765636 = 1592^2 + 6306^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (42300101) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 211401 + ... + 211600.

Almost surely, 2^42300100 is an apocalyptic number.

It is an amenable number.

42300100 is an abundant number, since it is smaller than the sum of its proper divisors (49491334).

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

42300100 is a wasteful number, since it uses less digits than its factorization.

42300100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423015 (or 423008 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 42300100 is about 6503.8527043592. The cubic root of 42300100 is about 348.4286016952.

Adding to 42300100 its reverse (100324), we get a palindrome (42400424).

The spelling of 42300100 in words is "forty-two million, three hundred thousand, one hundred".