230987545571 has 2 divisors, whose sum is σ = 230987545572. Its totient is φ = 230987545570.

The previous prime is 230987545567. The next prime is 230987545589. The reversal of 230987545571 is 175545789032.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 230987545571 - 2² = 230987545567 is a prime.

It is not a weakly prime, because it can be changed into another prime (230987545511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115493772785 + 115493772786.

It is an arithmetic number, because the mean of its divisors is an integer number (115493772786).

Almost surely, 2^230987545571 is an apocalyptic number.

230987545571 is a deficient number, since it is larger than the sum of its proper divisors (1).

230987545571 is an equidigital number, since it uses as much as digits as its factorization.

230987545571 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10584000, while the sum is 56.

The spelling of 230987545571 in words is "two hundred thirty billion, nine hundred eighty-seven million, five hundred forty-five thousand, five hundred seventy-one".