230734535221 has 2 divisors, whose sum is σ = 230734535222. Its totient is φ = 230734535220.

The previous prime is 230734535173. The next prime is 230734535261. The reversal of 230734535221 is 122535437032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 217552280625 + 13182254596 = 466425^2 + 114814^2 .

It is a cyclic number.

It is not a de Polignac number, because 230734535221 - 2⁷ = 230734535093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230734535261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115367267610 + 115367267611.

It is an arithmetic number, because the mean of its divisors is an integer number (115367267611).

Almost surely, 2^230734535221 is an apocalyptic number.

It is an amenable number.

230734535221 is a deficient number, since it is larger than the sum of its proper divisors (1).

230734535221 is an equidigital number, since it uses as much as digits as its factorization.

230734535221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 151200, while the sum is 37.

The spelling of 230734535221 in words is "two hundred thirty billion, seven hundred thirty-four million, five hundred thirty-five thousand, two hundred twenty-one".