243461923 has 8 divisors (see below), whose sum is σ = 254253600. Its totient is φ = 232687488.

The previous prime is 243461917. The next prime is 243461929. The reversal of 243461923 is 329164342.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (243461917) and next prime (243461929).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 243461923 - 2⁹ = 243461411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243461929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30693 + ... + 37801.

It is an arithmetic number, because the mean of its divisors is an integer number (31781700).

Almost surely, 2^243461923 is an apocalyptic number.

243461923 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

243461923 is a deficient number, since it is larger than the sum of its proper divisors (10791677).

243461923 is a wasteful number, since it uses less digits than its factorization.

243461923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8621.

The product of its digits is 31104, while the sum is 34.

The square root of 243461923 is about 15603.2664208492. The cubic root of 243461923 is about 624.4203034493.

The spelling of 243461923 in words is "two hundred forty-three million, four hundred sixty-one thousand, nine hundred twenty-three".