230133133 has 4 divisors (see below), whose sum is σ = 230322528. Its totient is φ = 229943740.

The previous prime is 230133109. The next prime is 230133143. The reversal of 230133133 is 331331032.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 230133133 - 2²¹ = 228035981 is a prime.

It is a super-2 number, since 2×230133133² = 105922517808791378, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 230133133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230133143) 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 3 ways as a sum of consecutive naturals, for example, 92863 + ... + 95308.

It is an arithmetic number, because the mean of its divisors is an integer number (57580632).

Almost surely, 2^230133133 is an apocalyptic number.

It is an amenable number.

230133133 is a deficient number, since it is larger than the sum of its proper divisors (189395).

230133133 is a wasteful number, since it uses less digits than its factorization.

230133133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189394.

The product of its (nonzero) digits is 486, while the sum is 19.

The square root of 230133133 is about 15170.1395181455. The cubic root of 230133133 is about 612.8107615317.

Adding to 230133133 its reverse (331331032), we get a palindrome (561464165).

The spelling of 230133133 in words is "two hundred thirty million, one hundred thirty-three thousand, one hundred thirty-three".