230012203257 has 8 divisors (see below), whose sum is σ = 340758819680. Its totient is φ = 153341468820.

The previous prime is 230012203177. The next prime is 230012203259. The reversal of 230012203257 is 752302210032.

It is a happy number.

230012203257 is a `hidden beast` number, since 2 + 300 + 12 + 20 + 325 + 7 = 666.

It is not a de Polignac number, because 230012203257 - 2¹⁵ = 230012170489 is a prime.

It is a super-2 number, since 2×230012203257² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 8518970491 = 230012203257 / (2 + 3 + 0 + 0 + 1 + 2 + 2 + 0 + 3 + 2 + 5 + 7).

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 230012203257.

It is not an unprimeable number, because it can be changed into a prime (230012203259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4259485219 + ... + 4259485272.

It is an arithmetic number, because the mean of its divisors is an integer number (42594852460).

Almost surely, 2^230012203257 is an apocalyptic number.

230012203257 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

230012203257 is a deficient number, since it is larger than the sum of its proper divisors (110746616423).

230012203257 is an equidigital number, since it uses as much as digits as its factorization.

230012203257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8518970500 (or 8518970494 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

Adding to 230012203257 its reverse (752302210032), we get a palindrome (982314413289).

The spelling of 230012203257 in words is "two hundred thirty billion, twelve million, two hundred three thousand, two hundred fifty-seven".