230769191 has 4 divisors (see below), whose sum is σ = 233690400. Its totient is φ = 227847984.

The previous prime is 230769181. The next prime is 230769199. The reversal of 230769191 is 191967032.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 230769191 - 2²⁶ = 163660327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230769199) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1460486 + ... + 1460643.

It is an arithmetic number, because the mean of its divisors is an integer number (58422600).

Almost surely, 2^230769191 is an apocalyptic number.

230769191 is a deficient number, since it is larger than the sum of its proper divisors (2921209).

230769191 is an equidigital number, since it uses as much as digits as its factorization.

230769191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2921208.

The product of its (nonzero) digits is 20412, while the sum is 38.

The square root of 230769191 is about 15191.0891972893. The cubic root of 230769191 is about 613.3748185615.

The spelling of 230769191 in words is "two hundred thirty million, seven hundred sixty-nine thousand, one hundred ninety-one".