230520071 has 4 divisors (see below), whose sum is σ = 230660352. Its totient is φ = 230379792.

The previous prime is 230520049. The next prime is 230520079. The reversal of 230520071 is 170025032.

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 230520071 - 2²⁶ = 163411207 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 (230520079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67646 + ... + 70971.

It is an arithmetic number, because the mean of its divisors is an integer number (57665088).

Almost surely, 2^230520071 is an apocalyptic number.

230520071 is a deficient number, since it is larger than the sum of its proper divisors (140281).

230520071 is a wasteful number, since it uses less digits than its factorization.

230520071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140280.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 230520071 is about 15182.8874394826. The cubic root of 230520071 is about 613.1540222584.

The spelling of 230520071 in words is "two hundred thirty million, five hundred twenty thousand, seventy-one".