2104531123 has 8 divisors (see below), whose sum is σ = 2126124000. Its totient is φ = 2082960768.

The previous prime is 2104531111. The next prime is 2104531129. The reversal of 2104531123 is 3211354012.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2104531123 is a prime.

It is a super-2 number, since 2×2104531123² = 8858102495351282258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2104531094 and 2104531103.

It is not an unprimeable number, because it can be changed into a prime (2104531129) 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 7 ways as a sum of consecutive naturals, for example, 233403 + ... + 242251.

It is an arithmetic number, because the mean of its divisors is an integer number (265765500).

Almost surely, 2^2104531123 is an apocalyptic number.

2104531123 is a deficient number, since it is larger than the sum of its proper divisors (21592877).

2104531123 is a wasteful number, since it uses less digits than its factorization.

2104531123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11261.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 2104531123 is about 45875.1689152204. The cubic root of 2104531123 is about 1281.4995290228.

Adding to 2104531123 its reverse (3211354012), we get a palindrome (5315885135).

The spelling of 2104531123 in words is "two billion, one hundred four million, five hundred thirty-one thousand, one hundred twenty-three".