232030213421 has 4 divisors (see below), whose sum is σ = 232037083644. Its totient is φ = 232023343200.

The previous prime is 232030213333. The next prime is 232030213423. The reversal of 232030213421 is 124312030232.

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

It can be written as a sum of positive squares in 2 ways, for example, as 90006000100 + 142024213321 = 300010^2 + 376861^2 .

It is a cyclic number.

It is not a de Polignac number, because 232030213421 - 2¹⁴ = 232030197037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232030213423) 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, 3384200 + ... + 3452081.

It is an arithmetic number, because the mean of its divisors is an integer number (58009270911).

Almost surely, 2^232030213421 is an apocalyptic number.

It is an amenable number.

232030213421 is a deficient number, since it is larger than the sum of its proper divisors (6870223).

232030213421 is an equidigital number, since it uses as much as digits as its factorization.

232030213421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6870222.

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

Adding to 232030213421 its reverse (124312030232), we get a palindrome (356342243653).

The spelling of 232030213421 in words is "two hundred thirty-two billion, thirty million, two hundred thirteen thousand, four hundred twenty-one".