20146573103323 has 4 divisors (see below), whose sum is σ = 20195831228680. Its totient is φ = 20097314977968.

The previous prime is 20146573103303. The next prime is 20146573103341. The reversal of 20146573103323 is 32330137564102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20146573103323 - 2⁵ = 20146573103291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20146573103303) 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 3 ways as a sum of consecutive naturals, for example, 24629062065 + ... + 24629062882.

It is an arithmetic number, because the mean of its divisors is an integer number (5048957807170).

Almost surely, 2^{20146573103323} is an apocalyptic number.

20146573103323 is a deficient number, since it is larger than the sum of its proper divisors (49258125357).

20146573103323 is an equidigital number, since it uses as much as digits as its factorization.

20146573103323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49258125356.

The product of its (nonzero) digits is 272160, while the sum is 40.

The spelling of 20146573103323 in words is "twenty trillion, one hundred forty-six billion, five hundred seventy-three million, one hundred three thousand, three hundred twenty-three".