230782357 has 8 divisors (see below), whose sum is σ = 255252536. Its totient is φ = 207271872.

The previous prime is 230782339. The next prime is 230782369. The reversal of 230782357 is 753287032.

It can be written as a sum of positive squares in 4 ways, for example, as 35509681 + 195272676 = 5959^2 + 13974^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 230782357 - 2⁷ = 230782229 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230782397) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 239418 + ... + 240379.

It is an arithmetic number, because the mean of its divisors is an integer number (31906567).

Almost surely, 2^230782357 is an apocalyptic number.

It is an amenable number.

230782357 is a deficient number, since it is larger than the sum of its proper divisors (24470179).

230782357 is a wasteful number, since it uses less digits than its factorization.

230782357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479847.

The product of its (nonzero) digits is 70560, while the sum is 37.

The square root of 230782357 is about 15191.5225372574. The cubic root of 230782357 is about 613.3864832314.

The spelling of 230782357 in words is "two hundred thirty million, seven hundred eighty-two thousand, three hundred fifty-seven".