243124155013 has 8 divisors (see below), whose sum is σ = 243703071648. Its totient is φ = 242545374864.

The previous prime is 243124154993. The next prime is 243124155017. The reversal of 243124155013 is 310551421342.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 243124155013 - 2⁵ = 243124154981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243124155017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4133670 + ... + 4192072.

It is an arithmetic number, because the mean of its divisors is an integer number (30462883956).

Almost surely, 2^243124155013 is an apocalyptic number.

It is an amenable number.

243124155013 is a deficient number, since it is larger than the sum of its proper divisors (578916635).

243124155013 is an equidigital number, since it uses as much as digits as its factorization.

243124155013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68243.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 243124155013 its reverse (310551421342), we get a palindrome (553675576355).

The spelling of 243124155013 in words is "two hundred forty-three billion, one hundred twenty-four million, one hundred fifty-five thousand, thirteen".