233323020201421 has 2 divisors, whose sum is σ = 233323020201422. Its totient is φ = 233323020201420.

The previous prime is 233323020201371. The next prime is 233323020201451. The reversal of 233323020201421 is 124102020323332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 191278027908900 + 42044992292521 = 13830330^2 + 6484211^2 .

It is a cyclic number.

It is not a de Polignac number, because 233323020201421 - 2²⁵ = 233322986646989 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 233323020201421.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (233323020201451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116661510100710 + 116661510100711.

It is an arithmetic number, because the mean of its divisors is an integer number (116661510100711).

Almost surely, 2^{233323020201421} is an apocalyptic number.

It is an amenable number.

233323020201421 is a deficient number, since it is larger than the sum of its proper divisors (1).

233323020201421 is an equidigital number, since it uses as much as digits as its factorization.

233323020201421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 233323020201421 its reverse (124102020323332), we get a palindrome (357425040524753).

The spelling of 233323020201421 in words is "two hundred thirty-three trillion, three hundred twenty-three billion, twenty million, two hundred one thousand, four hundred twenty-one".