243023326 has 64 divisors (see below), whose sum is σ = 465776640. Its totient is φ = 92534400.

The previous prime is 243023303. The next prime is 243023371. The reversal of 243023326 is 623320342.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 243023326.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1016715 + ... + 1016953.

It is an arithmetic number, because the mean of its divisors is an integer number (7277760).

Almost surely, 2^243023326 is an apocalyptic number.

243023326 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

243023326 is a deficient number, since it is larger than the sum of its proper divisors (222753314).

243023326 is a wasteful number, since it uses less digits than its factorization.

243023326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449.

The product of its (nonzero) digits is 5184, while the sum is 25.

The square root of 243023326 is about 15589.2054319648. The cubic root of 243023326 is about 624.0451133694.

Adding to 243023326 its reverse (623320342), we get a palindrome (866343668).

The spelling of 243023326 in words is "two hundred forty-three million, twenty-three thousand, three hundred twenty-six".