1623103078289 has 8 divisors (see below), whose sum is σ = 2023609032768. Its totient is φ = 1264755645360.

The previous prime is 1623103078253. The next prime is 1623103078301. The reversal of 1623103078289 is 9828703013261.

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

It is a cyclic number.

It is not a de Polignac number, because 1623103078289 - 2²⁰ = 1623102029713 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1623103018289) 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, 10539630302 + ... + 10539630455.

It is an arithmetic number, because the mean of its divisors is an integer number (252951129096).

Almost surely, 2^{1623103078289} is an apocalyptic number.

It is an amenable number.

1623103078289 is a deficient number, since it is larger than the sum of its proper divisors (400505954479).

1623103078289 is a wasteful number, since it uses less digits than its factorization.

1623103078289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21079260775.

The product of its (nonzero) digits is 870912, while the sum is 50.

The spelling of 1623103078289 in words is "one trillion, six hundred twenty-three billion, one hundred three million, seventy-eight thousand, two hundred eighty-nine".