243230470 has 16 divisors (see below), whose sum is σ = 500359968. Its totient is φ = 83393280.

The previous prime is 243230467. The next prime is 243230473. The reversal of 243230470 is 74032342.

It is an interprime number because it is at equal distance from previous prime (243230467) and next prime (243230473).

It is a super-2 number, since 2×243230470² = 118322123072841800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243230473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1737291 + ... + 1737430.

It is an arithmetic number, because the mean of its divisors is an integer number (31272498).

Almost surely, 2^243230470 is an apocalyptic number.

243230470 is an abundant number, since it is smaller than the sum of its proper divisors (257129498).

243230470 is a wasteful number, since it uses less digits than its factorization.

243230470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3474735.

The product of its (nonzero) digits is 4032, while the sum is 25.

The square root of 243230470 is about 15595.8478448592. The cubic root of 243230470 is about 624.2223672610. Note that the first 3 decimals are identical.

The spelling of 243230470 in words is "two hundred forty-three million, two hundred thirty thousand, four hundred seventy".