68445103623 has 16 divisors (see below), whose sum is σ = 101669121120. Its totient is φ = 40667647104.

The previous prime is 68445103613. The next prime is 68445103631. The reversal of 68445103623 is 32630154486.

It is not a de Polignac number, because 68445103623 - 2⁵ = 68445103591 is a prime.

It is a super-2 number, since 2×68445103623² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68445103613) 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, 30257536 + ... + 30259797.

It is an arithmetic number, because the mean of its divisors is an integer number (6354320070).

Almost surely, 2^68445103623 is an apocalyptic number.

68445103623 is a deficient number, since it is larger than the sum of its proper divisors (33224017497).

68445103623 is a wasteful number, since it uses less digits than its factorization.

68445103623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60517378.

The product of its (nonzero) digits is 414720, while the sum is 42.

The spelling of 68445103623 in words is "sixty-eight billion, four hundred forty-five million, one hundred three thousand, six hundred twenty-three".