230011553 has 2 divisors, whose sum is σ = 230011554. Its totient is φ = 230011552.

The previous prime is 230011459. The next prime is 230011567. The reversal of 230011553 is 355110032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 131148304 + 98863249 = 11452^2 + 9943^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-230011553 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (230011583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115005776 + 115005777.

It is an arithmetic number, because the mean of its divisors is an integer number (115005777).

Almost surely, 2^230011553 is an apocalyptic number.

It is an amenable number.

230011553 is a deficient number, since it is larger than the sum of its proper divisors (1).

230011553 is an equidigital number, since it uses as much as digits as its factorization.

230011553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 230011553 is about 15166.1317744506. The cubic root of 230011553 is about 612.7028259558.

Adding to 230011553 its reverse (355110032), we get a palindrome (585121585).

The spelling of 230011553 in words is "two hundred thirty million, eleven thousand, five hundred fifty-three".