68553723243 has 8 divisors (see below), whose sum is σ = 96215752000. Its totient is φ = 43297088328.

The previous prime is 68553723241. The next prime is 68553723311. The reversal of 68553723243 is 34232735586.

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

It is not a de Polignac number, because 68553723243 - 2¹ = 68553723241 is a prime.

It is a super-2 number, since 2×68553723243² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68553723192 and 68553723201.

It is not an unprimeable number, because it can be changed into a prime (68553723241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 601348393 + ... + 601348506.

It is an arithmetic number, because the mean of its divisors is an integer number (12026969000).

Almost surely, 2^68553723243 is an apocalyptic number.

68553723243 is a deficient number, since it is larger than the sum of its proper divisors (27662028757).

68553723243 is a wasteful number, since it uses less digits than its factorization.

68553723243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1202696921.

The product of its digits is 3628800, while the sum is 48.

The spelling of 68553723243 in words is "sixty-eight billion, five hundred fifty-three million, seven hundred twenty-three thousand, two hundred forty-three".