230719917 has 4 divisors (see below), whose sum is σ = 307626560. Its totient is φ = 153813276.

The previous prime is 230719889. The next prime is 230719933. The reversal of 230719917 is 719917032.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 230719917 - 2⁷ = 230719789 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 (230719987) 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, 38453317 + ... + 38453322.

It is an arithmetic number, because the mean of its divisors is an integer number (76906640).

Almost surely, 2^230719917 is an apocalyptic number.

It is an amenable number.

230719917 is a deficient number, since it is larger than the sum of its proper divisors (76906643).

230719917 is an equidigital number, since it uses as much as digits as its factorization.

230719917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76906642.

The product of its (nonzero) digits is 23814, while the sum is 39.

The square root of 230719917 is about 15189.4673046819. The cubic root of 230719917 is about 613.3311593798.

The spelling of 230719917 in words is "two hundred thirty million, seven hundred nineteen thousand, nine hundred seventeen".