243055326 has 16 divisors (see below), whose sum is σ = 487491984. Its totient is φ = 80788224.

The previous prime is 243055313. The next prime is 243055327. The reversal of 243055326 is 623550342.

It is a junction number, because it is equal to n+sod(n) for n = 243055293 and 243055302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243055327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55261 + ... + 59496.

It is an arithmetic number, because the mean of its divisors is an integer number (30468249).

Almost surely, 2^243055326 is an apocalyptic number.

243055326 is an abundant number, since it is smaller than the sum of its proper divisors (244436658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

243055326 is a wasteful number, since it uses less digits than its factorization.

243055326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115115.

The product of its (nonzero) digits is 21600, while the sum is 30.

The square root of 243055326 is about 15590.2317494000. The cubic root of 243055326 is about 624.0725024648.

The spelling of 243055326 in words is "two hundred forty-three million, fifty-five thousand, three hundred twenty-six".