243402324 has 48 divisors (see below), whose sum is σ = 625738176. Its totient is φ = 73024000.

The previous prime is 243402301. The next prime is 243402347. The reversal of 243402324 is 423204342.

It is an interprime number because it is at equal distance from previous prime (243402301) and next prime (243402347).

It is a junction number, because it is equal to n+sod(n) for n = 243402294 and 243402303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4204 + ... + 22460.

It is an arithmetic number, because the mean of its divisors is an integer number (13036212).

Almost surely, 2^243402324 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 243402324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (312869088).

243402324 is an abundant number, since it is smaller than the sum of its proper divisors (382335852).

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

243402324 is a wasteful number, since it uses less digits than its factorization.

243402324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18376 (or 18374 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 243402324 is about 15601.3564794860. The cubic root of 243402324 is about 624.3693470036.

Adding to 243402324 its reverse (423204342), we get a palindrome (666606666).

The spelling of 243402324 in words is "two hundred forty-three million, four hundred two thousand, three hundred twenty-four".