230191079 has 2 divisors, whose sum is σ = 230191080. Its totient is φ = 230191078.

The previous prime is 230190979. The next prime is 230191109. The reversal of 230191079 is 970191032.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 230191079 - 2¹⁶ = 230125543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230191279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115095539 + 115095540.

It is an arithmetic number, because the mean of its divisors is an integer number (115095540).

Almost surely, 2^230191079 is an apocalyptic number.

230191079 is a deficient number, since it is larger than the sum of its proper divisors (1).

230191079 is an equidigital number, since it uses as much as digits as its factorization.

230191079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3402, while the sum is 32.

The square root of 230191079 is about 15172.0492683091. The cubic root of 230191079 is about 612.8621911135.

The spelling of 230191079 in words is "two hundred thirty million, one hundred ninety-one thousand, seventy-nine".