234232101232421 has 2 divisors, whose sum is σ = 234232101232422. Its totient is φ = 234232101232420.

The previous prime is 234232101232397. The next prime is 234232101232447. The reversal of 234232101232421 is 124232101232432.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 230168191977025 + 4063909255396 = 15171295^2 + 2015914^2 .

It is a cyclic number.

It is not a de Polignac number, because 234232101232421 - 2¹⁰ = 234232101231397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234232101231421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117116050616210 + 117116050616211.

It is an arithmetic number, because the mean of its divisors is an integer number (117116050616211).

Almost surely, 2^{234232101232421} is an apocalyptic number.

It is an amenable number.

234232101232421 is a deficient number, since it is larger than the sum of its proper divisors (1).

234232101232421 is an equidigital number, since it uses as much as digits as its factorization.

234232101232421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 234232101232421 its reverse (124232101232432), we get a palindrome (358464202464853).

The spelling of 234232101232421 in words is "two hundred thirty-four trillion, two hundred thirty-two billion, one hundred one million, two hundred thirty-two thousand, four hundred twenty-one".