243061149206823 has 16 divisors (see below), whose sum is σ = 341165657884800. Its totient is φ = 153500063476320.

The previous prime is 243061149206797. The next prime is 243061149206839. The reversal of 243061149206823 is 328602941160342.

It is not a de Polignac number, because 243061149206823 - 2¹⁶ = 243061149141287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243061149246823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 169296753 + ... + 170726426.

It is an arithmetic number, because the mean of its divisors is an integer number (21322853617800).

Almost surely, 2^{243061149206823} is an apocalyptic number.

243061149206823 is a deficient number, since it is larger than the sum of its proper divisors (98104508677977).

243061149206823 is a wasteful number, since it uses less digits than its factorization.

243061149206823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340035742.

The product of its (nonzero) digits is 2985984, while the sum is 51.

The spelling of 243061149206823 in words is "two hundred forty-three trillion, sixty-one billion, one hundred forty-nine million, two hundred six thousand, eight hundred twenty-three".