42300021 has 8 divisors (see below), whose sum is σ = 56441664. Its totient is φ = 28179200.

The previous prime is 42300019. The next prime is 42300091. The reversal of 42300021 is 12000324.

42300021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42300021 - 2¹ = 42300019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42300001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 400 + ... + 9206.

It is an arithmetic number, because the mean of its divisors is an integer number (7055208).

Almost surely, 2^42300021 is an apocalyptic number.

It is an amenable number.

42300021 is a deficient number, since it is larger than the sum of its proper divisors (14141643).

42300021 is a wasteful number, since it uses less digits than its factorization.

42300021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10411.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 42300021 is about 6503.8466310331. The cubic root of 42300021 is about 348.4283847857.

Adding to 42300021 its reverse (12000324), we get a palindrome (54300345).

The spelling of 42300021 in words is "forty-two million, three hundred thousand, twenty-one".