230615269721 has 2 divisors, whose sum is σ = 230615269722. Its totient is φ = 230615269720.

The previous prime is 230615269667. The next prime is 230615269723. The reversal of 230615269721 is 127962516032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 208610514121 + 22004755600 = 456739^2 + 148340^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-230615269721 is a prime.

Together with 230615269723, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (230615269723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115307634860 + 115307634861.

It is an arithmetic number, because the mean of its divisors is an integer number (115307634861).

Almost surely, 2^230615269721 is an apocalyptic number.

It is an amenable number.

230615269721 is a deficient number, since it is larger than the sum of its proper divisors (1).

230615269721 is an equidigital number, since it uses as much as digits as its factorization.

230615269721 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160, while the sum is 44.

The spelling of 230615269721 in words is "two hundred thirty billion, six hundred fifteen million, two hundred sixty-nine thousand, seven hundred twenty-one".