1478102165823 has 8 divisors (see below), whose sum is σ = 1975767128368. Its totient is φ = 982919323584.

The previous prime is 1478102165803. The next prime is 1478102165849. The reversal of 1478102165823 is 3285612018741.

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

It is not a de Polignac number, because 1478102165823 - 2¹⁴ = 1478102149439 is a prime.

It is a super-2 number, since 2×1478102165823² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1478102165803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 620528686 + ... + 620531067.

It is an arithmetic number, because the mean of its divisors is an integer number (246970891046).

Almost surely, 2^{1478102165823} is an apocalyptic number.

1478102165823 is a deficient number, since it is larger than the sum of its proper divisors (497664962545).

1478102165823 is a wasteful number, since it uses less digits than its factorization.

1478102165823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1241060153.

The product of its (nonzero) digits is 645120, while the sum is 48.

The spelling of 1478102165823 in words is "one trillion, four hundred seventy-eight billion, one hundred two million, one hundred sixty-five thousand, eight hundred twenty-three".