2045054123 has 8 divisors (see below), whose sum is σ = 2347502592. Its totient is φ = 1745180136.

The previous prime is 2045054087. The next prime is 2045054147. The reversal of 2045054123 is 3214505402.

It is a happy number.

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

It is not a de Polignac number, because 2045054123 - 2⁸ = 2045053867 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2045054092 and 2045054101.

It is not an unprimeable number, because it can be changed into a prime (2045054153) 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, 641915 + ... + 645092.

It is an arithmetic number, because the mean of its divisors is an integer number (293437824).

Almost surely, 2^2045054123 is an apocalyptic number.

2045054123 is a deficient number, since it is larger than the sum of its proper divisors (302448469).

2045054123 is a wasteful number, since it uses less digits than its factorization.

2045054123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1287241.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 2045054123 is about 45222.2746331938. The cubic root of 2045054123 is about 1269.3116576954.

Adding to 2045054123 its reverse (3214505402), we get a palindrome (5259559525).

The spelling of 2045054123 in words is "two billion, forty-five million, fifty-four thousand, one hundred twenty-three".