230011511 has 12 divisors (see below), whose sum is σ = 245516400. Its totient is φ = 215427168.

The previous prime is 230011459. The next prime is 230011553. The reversal of 230011511 is 115110032.

It is not a de Polignac number, because 230011511 - 2⁶ = 230011447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230011571) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28550 + ... + 35708.

It is an arithmetic number, because the mean of its divisors is an integer number (20459700).

Almost surely, 2^230011511 is an apocalyptic number.

230011511 is a deficient number, since it is larger than the sum of its proper divisors (15504889).

230011511 is an equidigital number, since it uses as much as digits as its factorization.

230011511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7286 (or 7267 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 14.

The square root of 230011511 is about 15166.1303897863. The cubic root of 230011511 is about 612.7027886627.

Adding to 230011511 its reverse (115110032), we get a palindrome (345121543).

The spelling of 230011511 in words is "two hundred thirty million, eleven thousand, five hundred eleven".