230402511 has 12 divisors (see below), whose sum is σ = 335425792. Its totient is φ = 152391456.

The previous prime is 230402483. The next prime is 230402521. The reversal of 230402511 is 115204032.

It is not a de Polignac number, because 230402511 - 2¹⁴ = 230386127 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 (230402521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 99646 + ... + 101931.

Almost surely, 2^230402511 is an apocalyptic number.

230402511 is a deficient number, since it is larger than the sum of its proper divisors (105023281).

230402511 is a wasteful number, since it uses less digits than its factorization.

230402511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201710 (or 201707 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 230402511 is about 15179.0154819079. The cubic root of 230402511 is about 613.0497729935.

Adding to 230402511 its reverse (115204032), we get a palindrome (345606543).

The spelling of 230402511 in words is "two hundred thirty million, four hundred two thousand, five hundred eleven".