230783478 has 16 divisors (see below), whose sum is σ = 461852976. Its totient is φ = 76880160.

The previous prime is 230783473. The next prime is 230783491. The reversal of 230783478 is 874387032.

It is a super-2 number, since 2×230783478² = 106522027435552968, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230783473) 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 7 ways as a sum of consecutive naturals, for example, 601 + ... + 21492.

It is an arithmetic number, because the mean of its divisors is an integer number (28865811).

Almost surely, 2^230783478 is an apocalyptic number.

230783478 is an abundant number, since it is smaller than the sum of its proper divisors (231069498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

230783478 is a wasteful number, since it uses less digits than its factorization.

230783478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23839.

The product of its (nonzero) digits is 225792, while the sum is 42.

The square root of 230783478 is about 15191.5594327903. The cubic root of 230783478 is about 613.3874763823.

The spelling of 230783478 in words is "two hundred thirty million, seven hundred eighty-three thousand, four hundred seventy-eight".