230671409 has 4 divisors (see below), whose sum is σ = 230773620. Its totient is φ = 230569200.

The previous prime is 230671391. The next prime is 230671417. The reversal of 230671409 is 904176032.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 211557025 + 19114384 = 14545^2 + 4372^2 .

It is a cyclic number.

It is not a de Polignac number, because 230671409 - 2¹² = 230667313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230671009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47642 + ... + 52259.

It is an arithmetic number, because the mean of its divisors is an integer number (57693405).

Almost surely, 2^230671409 is an apocalyptic number.

It is an amenable number.

230671409 is a deficient number, since it is larger than the sum of its proper divisors (102211).

230671409 is an equidigital number, since it uses as much as digits as its factorization.

230671409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102210.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 230671409 is about 15187.8704563872. The cubic root of 230671409 is about 613.2881728393.

The spelling of 230671409 in words is "two hundred thirty million, six hundred seventy-one thousand, four hundred nine".