232121341993 has 2 divisors, whose sum is σ = 232121341994. Its totient is φ = 232121341992.

The previous prime is 232121341981. The next prime is 232121342053. The reversal of 232121341993 is 399143121232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 205777455129 + 26343886864 = 453627^2 + 162308^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-232121341993 is a prime.

It is not a weakly prime, because it can be changed into another prime (232121348993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116060670996 + 116060670997.

It is an arithmetic number, because the mean of its divisors is an integer number (116060670997).

Almost surely, 2^232121341993 is an apocalyptic number.

It is an amenable number.

232121341993 is a deficient number, since it is larger than the sum of its proper divisors (1).

232121341993 is an equidigital number, since it uses as much as digits as its factorization.

232121341993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69984, while the sum is 40.

The spelling of 232121341993 in words is "two hundred thirty-two billion, one hundred twenty-one million, three hundred forty-one thousand, nine hundred ninety-three".