68423309231 has 8 divisors (see below), whose sum is σ = 72484488000. Its totient is φ = 64366161408.

The previous prime is 68423309191. The next prime is 68423309249. The reversal of 68423309231 is 13290332486.

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 68423309231 - 2¹⁰ = 68423308207 is a prime.

It is a super-2 number, since 2×68423309231² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68423309261) 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, 972746 + ... + 1040711.

It is an arithmetic number, because the mean of its divisors is an integer number (9060561000).

Almost surely, 2^68423309231 is an apocalyptic number.

68423309231 is a deficient number, since it is larger than the sum of its proper divisors (4061178769).

68423309231 is a wasteful number, since it uses less digits than its factorization.

68423309231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2015473.

The product of its (nonzero) digits is 186624, while the sum is 41.

The spelling of 68423309231 in words is "sixty-eight billion, four hundred twenty-three million, three hundred nine thousand, two hundred thirty-one".