230257780 has 24 divisors (see below), whose sum is σ = 488333160. Its totient is φ = 91190400.

The previous prime is 230257723. The next prime is 230257793. The reversal of 230257780 is 87752032.

It can be written as a sum of positive squares in 4 ways, for example, as 137405284 + 92852496 = 11722^2 + 9636^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54975 + ... + 59014.

It is an arithmetic number, because the mean of its divisors is an integer number (20347215).

Almost surely, 2^230257780 is an apocalyptic number.

230257780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230257780 is an abundant number, since it is smaller than the sum of its proper divisors (258075380).

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

230257780 is a wasteful number, since it uses less digits than its factorization.

230257780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114099 (or 114097 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 230257780 is about 15174.2472630441. The cubic root of 230257780 is about 612.9213804523.

The spelling of 230257780 in words is "two hundred thirty million, two hundred fifty-seven thousand, seven hundred eighty".