234230021321 has 4 divisors (see below), whose sum is σ = 246557917200. Its totient is φ = 221902125444.

The previous prime is 234230021303. The next prime is 234230021327. The reversal of 234230021321 is 123120032432.

234230021321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 234230021321 - 2⁶ = 234230021257 is a prime.

It is a super-2 number, since 2×234230021321² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (234230021327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6163947911 + ... + 6163947948.

It is an arithmetic number, because the mean of its divisors is an integer number (61639479300).

Almost surely, 2^234230021321 is an apocalyptic number.

It is an amenable number.

234230021321 is a deficient number, since it is larger than the sum of its proper divisors (12327895879).

234230021321 is a wasteful number, since it uses less digits than its factorization.

234230021321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12327895878.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 234230021321 its reverse (123120032432), we get a palindrome (357350053753).

The spelling of 234230021321 in words is "two hundred thirty-four billion, two hundred thirty million, twenty-one thousand, three hundred twenty-one".