1230234511 has 16 divisors (see below), whose sum is σ = 1402023168. Its totient is φ = 1068548800.

The previous prime is 1230234469. The next prime is 1230234527. The reversal of 1230234511 is 1154320321.

It is a happy number.

It is not a de Polignac number, because 1230234511 - 2²⁷ = 1096016783 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 (1230234011) 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 15 ways as a sum of consecutive naturals, for example, 273795 + ... + 278251.

It is an arithmetic number, because the mean of its divisors is an integer number (87626448).

Almost surely, 2^1230234511 is an apocalyptic number.

1230234511 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1230234511 is a deficient number, since it is larger than the sum of its proper divisors (171788657).

1230234511 is a wasteful number, since it uses less digits than its factorization.

1230234511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5582.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1230234511 is about 35074.6990151020. The cubic root of 1230234511 is about 1071.5093587956.

Adding to 1230234511 its reverse (1154320321), we get a palindrome (2384554832).

The spelling of 1230234511 in words is "one billion, two hundred thirty million, two hundred thirty-four thousand, five hundred eleven".