243123243452 has 6 divisors (see below), whose sum is σ = 425465676048. Its totient is φ = 121561621724.

The previous prime is 243123243443. The next prime is 243123243497. The reversal of 243123243452 is 254342321342.

243123243452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 as a sum of consecutive naturals, namely, 30390405428 + ... + 30390405435.

It is an arithmetic number, because the mean of its divisors is an integer number (70910946008).

Almost surely, 2^243123243452 is an apocalyptic number.

It is an amenable number.

243123243452 is a deficient number, since it is larger than the sum of its proper divisors (182342432596).

243123243452 is a wasteful number, since it uses less digits than its factorization.

243123243452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60780810867 (or 60780810865 counting only the distinct ones).

The product of its digits is 138240, while the sum is 35.

Adding to 243123243452 its reverse (254342321342), we get a palindrome (497465564794).

The spelling of 243123243452 in words is "two hundred forty-three billion, one hundred twenty-three million, two hundred forty-three thousand, four hundred fifty-two".