243881023 has 8 divisors (see below), whose sum is σ = 250806080. Its totient is φ = 236973600.

The previous prime is 243881009. The next prime is 243881081. The reversal of 243881023 is 320188342.

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 243881023 - 2⁵ = 243880991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243881003) 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, 26698 + ... + 34648.

It is an arithmetic number, because the mean of its divisors is an integer number (31350760).

Almost surely, 2^243881023 is an apocalyptic number.

243881023 is a deficient number, since it is larger than the sum of its proper divisors (6925057).

243881023 is an equidigital number, since it uses as much as digits as its factorization.

243881023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8817.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 243881023 is about 15616.6905264848. The cubic root of 243881023 is about 624.7783943948.

The spelling of 243881023 in words is "two hundred forty-three million, eight hundred eighty-one thousand, twenty-three".