42030323321 has 4 divisors (see below), whose sum is σ = 48034655232. Its totient is φ = 36025991412.

The previous prime is 42030323287. The next prime is 42030323323. The reversal of 42030323321 is 12332303024.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42030323321 - 2¹⁴ = 42030306937 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42030323323) 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, 3002165945 + ... + 3002165958.

It is an arithmetic number, because the mean of its divisors is an integer number (12008663808).

Almost surely, 2^42030323321 is an apocalyptic number.

It is an amenable number.

42030323321 is a deficient number, since it is larger than the sum of its proper divisors (6004331911).

42030323321 is an equidigital number, since it uses as much as digits as its factorization.

42030323321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6004331910.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 42030323321 its reverse (12332303024), we get a palindrome (54362626345).

The spelling of 42030323321 in words is "forty-two billion, thirty million, three hundred twenty-three thousand, three hundred twenty-one".