545461017123 has 32 divisors (see below), whose sum is σ = 805040087040. Its totient is φ = 325748161440.

The previous prime is 545461017109. The next prime is 545461017163. The reversal of 545461017123 is 321710164545.

It is not a de Polignac number, because 545461017123 - 2¹⁴ = 545461000739 is a prime.

It is not an unprimeable number, because it can be changed into a prime (545461017103) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1103340 + ... + 1519302.

It is an arithmetic number, because the mean of its divisors is an integer number (25157502720).

Almost surely, 2^545461017123 is an apocalyptic number.

545461017123 is a deficient number, since it is larger than the sum of its proper divisors (259579069917).

545461017123 is a wasteful number, since it uses less digits than its factorization.

545461017123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416559.

The product of its (nonzero) digits is 100800, while the sum is 39.

The spelling of 545461017123 in words is "five hundred forty-five billion, four hundred sixty-one million, seventeen thousand, one hundred twenty-three".