42030323 has 4 divisors (see below), whose sum is σ = 42104760. Its totient is φ = 41955888.

The previous prime is 42030319. The next prime is 42030343. The reversal of 42030323 is 32303024.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42030323 - 2² = 42030319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42030343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36365 + ... + 37502.

It is an arithmetic number, because the mean of its divisors is an integer number (10526190).

Almost surely, 2^42030323 is an apocalyptic number.

42030323 is a deficient number, since it is larger than the sum of its proper divisors (74437).

42030323 is an equidigital number, since it uses as much as digits as its factorization.

42030323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74436.

The product of its (nonzero) digits is 432, while the sum is 17.

The square root of 42030323 is about 6483.0797465402. The cubic root of 42030323 is about 347.6862979806.

Adding to 42030323 its reverse (32303024), we get a palindrome (74333347).

The spelling of 42030323 in words is "forty-two million, thirty thousand, three hundred twenty-three".