230152993 has 4 divisors (see below), whose sum is σ = 263032000. Its totient is φ = 197273988.

The previous prime is 230152963. The next prime is 230153029. The reversal of 230152993 is 399251032.

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 230152993 - 2¹³ = 230144801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (230152963) 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, 16439493 + ... + 16439506.

It is an arithmetic number, because the mean of its divisors is an integer number (65758000).

Almost surely, 2^230152993 is an apocalyptic number.

It is an amenable number.

230152993 is a deficient number, since it is larger than the sum of its proper divisors (32879007).

230152993 is an equidigital number, since it uses as much as digits as its factorization.

230152993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32879006.

The product of its (nonzero) digits is 14580, while the sum is 34.

The square root of 230152993 is about 15170.7940794146. The cubic root of 230152993 is about 612.8283891131.

The spelling of 230152993 in words is "two hundred thirty million, one hundred fifty-two thousand, nine hundred ninety-three".