503165044672023 has 4 divisors (see below), whose sum is σ = 670886726229368. Its totient is φ = 335443363114680.

The previous prime is 503165044672019. The next prime is 503165044672039. The reversal of 503165044672023 is 320276440561305.

It is a happy number.

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

It is not a de Polignac number, because 503165044672023 - 2² = 503165044672019 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503165044677023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83860840778668 + ... + 83860840778673.

It is an arithmetic number, because the mean of its divisors is an integer number (167721681557342).

Almost surely, 2^{503165044672023} is an apocalyptic number.

503165044672023 is a deficient number, since it is larger than the sum of its proper divisors (167721681557345).

503165044672023 is a wasteful number, since it uses less digits than its factorization.

503165044672023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167721681557344.

The product of its (nonzero) digits is 3628800, while the sum is 48.

The spelling of 503165044672023 in words is "five hundred three trillion, one hundred sixty-five billion, forty-four million, six hundred seventy-two thousand, twenty-three".