243733311352 has 8 divisors (see below), whose sum is σ = 456999958800. Its totient is φ = 121866655672.

The previous prime is 243733311343. The next prime is 243733311359. The reversal of 243733311352 is 253113337342.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×243733311352² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243733311359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15233331952 + ... + 15233331967.

It is an arithmetic number, because the mean of its divisors is an integer number (57124994850).

Almost surely, 2^243733311352 is an apocalyptic number.

It is an amenable number.

243733311352 is a deficient number, since it is larger than the sum of its proper divisors (213266647448).

243733311352 is a wasteful number, since it uses less digits than its factorization.

243733311352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30466663925 (or 30466663921 counting only the distinct ones).

The product of its digits is 136080, while the sum is 37.

Adding to 243733311352 its reverse (253113337342), we get a palindrome (496846648694).

The spelling of 243733311352 in words is "two hundred forty-three billion, seven hundred thirty-three million, three hundred eleven thousand, three hundred fifty-two".