230133402 has 12 divisors (see below), whose sum is σ = 498622410. Its totient is φ = 76711128.

The previous prime is 230133391. The next prime is 230133433. The reversal of 230133402 is 204331032.

230133402 is a `hidden beast` number, since 230 + 1 + 33 + 402 = 666.

It can be written as a sum of positive squares in only one way, i.e., 217238121 + 12895281 = 14739^2 + 3591^2 .

It is a super-2 number, since 2×230133402² = 105922765432187208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 12785189 = 230133402 / (2 + 3 + 0 + 1 + 3 + 3 + 4 + 0 + 2).

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 6392577 + ... + 6392612.

Almost surely, 2^230133402 is an apocalyptic number.

230133402 is an abundant number, since it is smaller than the sum of its proper divisors (268489008).

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

230133402 is a wasteful number, since it uses less digits than its factorization.

230133402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12785197 (or 12785194 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 230133402 is about 15170.1483842446. The cubic root of 230133402 is about 612.8110003008.

Adding to 230133402 its reverse (204331032), we get a palindrome (434464434).

The spelling of 230133402 in words is "two hundred thirty million, one hundred thirty-three thousand, four hundred two".