243023352 has 128 divisors (see below), whose sum is σ = 719712000. Its totient is φ = 67816320.

The previous prime is 243023303. The next prime is 243023371. The reversal of 243023352 is 253320342.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 579799 + ... + 580217.

It is an arithmetic number, because the mean of its divisors is an integer number (5622750).

Almost surely, 2^243023352 is an apocalyptic number.

243023352 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 243023352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (359856000).

243023352 is an abundant number, since it is smaller than the sum of its proper divisors (476688648).

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

243023352 is a wasteful number, since it uses less digits than its factorization.

243023352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478 (or 448 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 24.

The square root of 243023352 is about 15589.2062658751. The cubic root of 243023352 is about 624.0451356240.

Adding to 243023352 its reverse (253320342), we get a palindrome (496343694).

The spelling of 243023352 in words is "two hundred forty-three million, twenty-three thousand, three hundred fifty-two".