230545999 has 2 divisors, whose sum is σ = 230546000. Its totient is φ = 230545998.

The previous prime is 230545957. The next prime is 230546003. The reversal of 230545999 is 999545032.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-230545999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230545499) 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 as a sum of consecutive naturals, namely, 115272999 + 115273000.

It is an arithmetic number, because the mean of its divisors is an integer number (115273000).

Almost surely, 2^230545999 is an apocalyptic number.

230545999 is a deficient number, since it is larger than the sum of its proper divisors (1).

230545999 is an equidigital number, since it uses as much as digits as its factorization.

230545999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 437400, while the sum is 46.

The square root of 230545999 is about 15183.7412715049. The cubic root of 230545999 is about 613.1770097889.

The spelling of 230545999 in words is "two hundred thirty million, five hundred forty-five thousand, nine hundred ninety-nine".