503453513161123 has 16 divisors (see below), whose sum is σ = 576308588428800. Its totient is φ = 430831825603776.

The previous prime is 503453513161063. The next prime is 503453513161169. The reversal of 503453513161123 is 321161315354305.

It is a cyclic number.

It is not a de Polignac number, because 503453513161123 - 2⁴¹ = 501254489905571 is a prime.

It is a super-2 number, since 2×503453513161123² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 503453513161123.

It is not an unprimeable number, because it can be changed into a prime (503453513261123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55392703 + ... + 63837751.

It is an arithmetic number, because the mean of its divisors is an integer number (36019286776800).

Almost surely, 2^{503453513161123} is an apocalyptic number.

503453513161123 is a deficient number, since it is larger than the sum of its proper divisors (72855075267677).

503453513161123 is a wasteful number, since it uses less digits than its factorization.

503453513161123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8458866.

The product of its (nonzero) digits is 486000, while the sum is 43.

The spelling of 503453513161123 in words is "five hundred three trillion, four hundred fifty-three billion, five hundred thirteen million, one hundred sixty-one thousand, one hundred twenty-three".