230858129 has 4 divisors (see below), whose sum is σ = 230993076. Its totient is φ = 230723184.

The previous prime is 230858101. The next prime is 230858137. The reversal of 230858129 is 921858032.

230858129 is digitally balanced in base 2, 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 2 ways, for example, as 172869904 + 57988225 = 13148^2 + 7615^2 .

It is a cyclic number.

It is not a de Polignac number, because 230858129 - 2⁸ = 230857873 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 230858092 and 230858101.

It is not an unprimeable number, because it can be changed into a prime (230858149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64874 + ... + 68339.

It is an arithmetic number, because the mean of its divisors is an integer number (57748269).

Almost surely, 2^230858129 is an apocalyptic number.

It is an amenable number.

230858129 is a deficient number, since it is larger than the sum of its proper divisors (134947).

230858129 is a wasteful number, since it uses less digits than its factorization.

230858129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134946.

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 230858129 is about 15194.0162235006. The cubic root of 230858129 is about 613.4536062639.

The spelling of 230858129 in words is "two hundred thirty million, eight hundred fifty-eight thousand, one hundred twenty-nine".