5605506123 has 16 divisors (see below), whose sum is σ = 8681753856. Its totient is φ = 3150635040.

The previous prime is 5605506121. The next prime is 5605506139. The reversal of 5605506123 is 3216055065.

It is not a de Polignac number, because 5605506123 - 2¹ = 5605506121 is a prime.

It is a super-2 number, since 2×5605506123² = 62843397789980982258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5605506121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2186661 + ... + 2189222.

It is an arithmetic number, because the mean of its divisors is an integer number (542609616).

Almost surely, 2^5605506123 is an apocalyptic number.

5605506123 is a deficient number, since it is larger than the sum of its proper divisors (3076247733).

5605506123 is a wasteful number, since it uses less digits than its factorization.

5605506123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4375954.

The product of its (nonzero) digits is 27000, while the sum is 33.

The square root of 5605506123 is about 74869.9280285483. The cubic root of 5605506123 is about 1776.3898257713.

The spelling of 5605506123 in words is "five billion, six hundred five million, five hundred six thousand, one hundred twenty-three".