68812354923 has 16 divisors (see below), whose sum is σ = 98863000320. Its totient is φ = 42322271904.

The previous prime is 68812354913. The next prime is 68812354969. The reversal of 68812354923 is 32945321886.

It is a happy number.

It is not a de Polignac number, because 68812354923 - 2⁶ = 68812354859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68812354913) 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, 425253 + ... + 564326.

It is an arithmetic number, because the mean of its divisors is an integer number (6178937520).

Almost surely, 2^68812354923 is an apocalyptic number.

68812354923 is a deficient number, since it is larger than the sum of its proper divisors (30050645397).

68812354923 is a wasteful number, since it uses less digits than its factorization.

68812354923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991378.

The product of its digits is 2488320, while the sum is 51.

The spelling of 68812354923 in words is "sixty-eight billion, eight hundred twelve million, three hundred fifty-four thousand, nine hundred twenty-three".