104144278623 has 16 divisors (see below), whose sum is σ = 173122957056. Its totient is φ = 54100923840.

The previous prime is 104144278619. The next prime is 104144278633. The reversal of 104144278623 is 326872441401.

It is not a de Polignac number, because 104144278623 - 2² = 104144278619 is a prime.

It is a super-2 number, since 2×104144278623² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104144278633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 225420286 + ... + 225420747.

It is an arithmetic number, because the mean of its divisors is an integer number (10820184816).

Almost surely, 2^104144278623 is an apocalyptic number.

104144278623 is a deficient number, since it is larger than the sum of its proper divisors (68978678433).

104144278623 is a wasteful number, since it uses less digits than its factorization.

104144278623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450841054.

The product of its (nonzero) digits is 258048, while the sum is 42.

The spelling of 104144278623 in words is "one hundred four billion, one hundred forty-four million, two hundred seventy-eight thousand, six hundred twenty-three".