68421275223 has 8 divisors (see below), whose sum is σ = 104260990848. Its totient is φ = 39097871544.

The previous prime is 68421275213. The next prime is 68421275287. The reversal of 68421275223 is 32257212486.

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

It is not a de Polignac number, because 68421275223 - 2⁴ = 68421275207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68421275203) 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, 1629077961 + ... + 1629078002.

It is an arithmetic number, because the mean of its divisors is an integer number (13032623856).

Almost surely, 2^68421275223 is an apocalyptic number.

68421275223 is a deficient number, since it is larger than the sum of its proper divisors (35839715625).

68421275223 is a wasteful number, since it uses less digits than its factorization.

68421275223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3258155973.

The product of its digits is 322560, while the sum is 42.

The spelling of 68421275223 in words is "sixty-eight billion, four hundred twenty-one million, two hundred seventy-five thousand, two hundred twenty-three".