230111001 has 12 divisors (see below), whose sum is σ = 338654628. Its totient is φ = 150512544.

The previous prime is 230110999. The next prime is 230111003. The reversal of 230111001 is 100111032.

It is an interprime number because it is at equal distance from previous prime (230110999) and next prime (230111003).

It can be written as a sum of positive squares in 2 ways, for example, as 122677776 + 107433225 = 11076^2 + 10365^2 .

It is not a de Polignac number, because 230111001 - 2¹ = 230110999 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (230111003) 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 11 ways as a sum of consecutive naturals, for example, 240730 + ... + 241683.

It is an arithmetic number, because the mean of its divisors is an integer number (28221219).

Almost surely, 2^230111001 is an apocalyptic number.

It is an amenable number.

230111001 is a deficient number, since it is larger than the sum of its proper divisors (108543627).

230111001 is a wasteful number, since it uses less digits than its factorization.

230111001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482472 (or 482469 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 230111001 is about 15169.4100412640. The cubic root of 230111001 is about 612.7911161458.

Adding to 230111001 its reverse (100111032), we get a palindrome (330222033).

The spelling of 230111001 in words is "two hundred thirty million, one hundred eleven thousand, one".