230345551 has 2 divisors, whose sum is σ = 230345552. Its totient is φ = 230345550.

The previous prime is 230345527. The next prime is 230345567. The reversal of 230345551 is 155543032.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 230345551 - 2⁹ = 230345039 is a prime.

It is equal to p_12660472 and since 230345551 and 12660472 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230345051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115172775 + 115172776.

It is an arithmetic number, because the mean of its divisors is an integer number (115172776).

Almost surely, 2^230345551 is an apocalyptic number.

230345551 is a deficient number, since it is larger than the sum of its proper divisors (1).

230345551 is an equidigital number, since it uses as much as digits as its factorization.

230345551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 230345551 is about 15177.1390914098. The cubic root of 230345551 is about 612.9992495380. Note that the first 3 decimals are identical.

Adding to 230345551 its reverse (155543032), we get a palindrome (385888583).

The spelling of 230345551 in words is "two hundred thirty million, three hundred forty-five thousand, five hundred fifty-one".