230171969 has 2 divisors, whose sum is σ = 230171970. Its totient is φ = 230171968.

The previous prime is 230171941. The next prime is 230171987. The reversal of 230171969 is 969171032.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 227406400 + 2765569 = 15080^2 + 1663^2 .

It is a cyclic number.

It is not a de Polignac number, because 230171969 - 2⁸ = 230171713 is a prime.

It is a super-2 number, since 2×230171969² = 105958270626673922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (230171939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115085984 + 115085985.

It is an arithmetic number, because the mean of its divisors is an integer number (115085985).

Almost surely, 2^230171969 is an apocalyptic number.

It is an amenable number.

230171969 is a deficient number, since it is larger than the sum of its proper divisors (1).

230171969 is an equidigital number, since it uses as much as digits as its factorization.

230171969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20412, while the sum is 38.

The square root of 230171969 is about 15171.4194787436. The cubic root of 230171969 is about 612.8452311157.

The spelling of 230171969 in words is "two hundred thirty million, one hundred seventy-one thousand, nine hundred sixty-nine".