230551778 has 4 divisors (see below), whose sum is σ = 345827670. Its totient is φ = 115275888.

The previous prime is 230551771. The next prime is 230551823. The reversal of 230551778 is 877155032.

It is a happy number.

230551778 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 229916569 + 635209 = 15163^2 + 797^2 .

It is a super-2 number, since 2×230551778² = 106308244677922568, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (230551771) 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 as a sum of consecutive naturals, namely, 57637943 + ... + 57637946.

Almost surely, 2^230551778 is an apocalyptic number.

230551778 is a deficient number, since it is larger than the sum of its proper divisors (115275892).

230551778 is a wasteful number, since it uses less digits than its factorization.

230551778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115275891.

The product of its (nonzero) digits is 58800, while the sum is 38.

The square root of 230551778 is about 15183.9315725539. The cubic root of 230551778 is about 613.1821331631.

The spelling of 230551778 in words is "two hundred thirty million, five hundred fifty-one thousand, seven hundred seventy-eight".