243452433 has 48 divisors (see below), whose sum is σ = 389781504. Its totient is φ = 134699040.

The previous prime is 243452423. The next prime is 243452437. The reversal of 243452433 is 334254342.

It is not a de Polignac number, because 243452433 - 2¹⁸ = 243190289 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 243452433.

It is not an unprimeable number, because it can be changed into a prime (243452437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1153698 + ... + 1153908.

It is an arithmetic number, because the mean of its divisors is an integer number (8120448).

Almost surely, 2^243452433 is an apocalyptic number.

It is an amenable number.

243452433 is a deficient number, since it is larger than the sum of its proper divisors (146329071).

243452433 is a wasteful number, since it uses less digits than its factorization.

243452433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442 (or 435 counting only the distinct ones).

The product of its digits is 34560, while the sum is 30.

The square root of 243452433 is about 15602.9623148939. The cubic root of 243452433 is about 624.4121901673.

It can be divided in two parts, 243 and 452433, that added together give a triangular number (452676 = T₉₅₁).

The spelling of 243452433 in words is "two hundred forty-three million, four hundred fifty-two thousand, four hundred thirty-three".