230781129 has 8 divisors (see below), whose sum is σ = 314864352. Its totient is φ = 150276000.

The previous prime is 230781127. The next prime is 230781181. The reversal of 230781129 is 921187032.

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

It is not a de Polignac number, because 230781129 - 2¹ = 230781127 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 230781129.

It is not an unprimeable number, because it can be changed into a prime (230781121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 894372 + ... + 894629.

It is an arithmetic number, because the mean of its divisors is an integer number (39358044).

Almost surely, 2^230781129 is an apocalyptic number.

It is an amenable number.

230781129 is a deficient number, since it is larger than the sum of its proper divisors (84083223).

230781129 is a wasteful number, since it uses less digits than its factorization.

230781129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1789047.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 230781129 is about 15191.4821199250. The cubic root of 230781129 is about 613.3853952800.

It can be divided in two parts, 23078 and 1129, that multiplied together give a palindrome (26055062).

The spelling of 230781129 in words is "two hundred thirty million, seven hundred eighty-one thousand, one hundred twenty-nine".