68407571023 has 8 divisors (see below), whose sum is σ = 74630897280. Its totient is φ = 62184987480.

The previous prime is 68407571021. The next prime is 68407571077. The reversal of 68407571023 is 32017570486.

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

It is not a de Polignac number, because 68407571023 - 2¹ = 68407571021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68407571021) 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, 16486 + ... + 370252.

It is an arithmetic number, because the mean of its divisors is an integer number (9328862160).

Almost surely, 2^68407571023 is an apocalyptic number.

68407571023 is a deficient number, since it is larger than the sum of its proper divisors (6223326257).

68407571023 is a wasteful number, since it uses less digits than its factorization.

68407571023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371357.

The product of its (nonzero) digits is 282240, while the sum is 43.

The spelling of 68407571023 in words is "sixty-eight billion, four hundred seven million, five hundred seventy-one thousand, twenty-three".