243155041334 has 4 divisors (see below), whose sum is σ = 364732562004. Its totient is φ = 121577520666.

The previous prime is 243155041289. The next prime is 243155041361. The reversal of 243155041334 is 433140551342.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×243155041334² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 243155041294 and 243155041303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60788760332 + ... + 60788760335.

It is an arithmetic number, because the mean of its divisors is an integer number (91183140501).

Almost surely, 2^243155041334 is an apocalyptic number.

243155041334 is a deficient number, since it is larger than the sum of its proper divisors (121577520670).

243155041334 is a wasteful number, since it uses less digits than its factorization.

243155041334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121577520669.

The product of its (nonzero) digits is 86400, while the sum is 35.

Adding to 243155041334 its reverse (433140551342), we get a palindrome (676295592676).

The spelling of 243155041334 in words is "two hundred forty-three billion, one hundred fifty-five million, forty-one thousand, three hundred thirty-four".