232120203327421 has 2 divisors, whose sum is σ = 232120203327422. Its totient is φ = 232120203327420.

The previous prime is 232120203327307. The next prime is 232120203327427. The reversal of 232120203327421 is 124723302021232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 179435106924921 + 52685096402500 = 13395339^2 + 7258450^2 .

It is a cyclic number.

It is not a de Polignac number, because 232120203327421 - 2⁷ = 232120203327293 is a prime.

It is a super-2 number, since 2×232120203327421² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (232120203327427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116060101663710 + 116060101663711.

It is an arithmetic number, because the mean of its divisors is an integer number (116060101663711).

Almost surely, 2^{232120203327421} is an apocalyptic number.

It is an amenable number.

232120203327421 is a deficient number, since it is larger than the sum of its proper divisors (1).

232120203327421 is an equidigital number, since it uses as much as digits as its factorization.

232120203327421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 34.

Adding to 232120203327421 its reverse (124723302021232), we get a palindrome (356843505348653).

The spelling of 232120203327421 in words is "two hundred thirty-two trillion, one hundred twenty billion, two hundred three million, three hundred twenty-seven thousand, four hundred twenty-one".