2045123353 has 16 divisors (see below), whose sum is σ = 2518996480. Its totient is φ = 1616884416.

The previous prime is 2045123329. The next prime is 2045123363. The reversal of 2045123353 is 3533215402.

It is not a de Polignac number, because 2045123353 - 2⁵ = 2045123321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2045123363) 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, 122176 + ... + 137902.

It is an arithmetic number, because the mean of its divisors is an integer number (157437280).

Almost surely, 2^2045123353 is an apocalyptic number.

It is an amenable number.

2045123353 is a deficient number, since it is larger than the sum of its proper divisors (473873127).

2045123353 is a wasteful number, since it uses less digits than its factorization.

2045123353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17176.

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 2045123353 is about 45223.0400680892. The cubic root of 2045123353 is about 1269.3259806177.

Adding to 2045123353 its reverse (3533215402), we get a palindrome (5578338755).

The spelling of 2045123353 in words is "two billion, forty-five million, one hundred twenty-three thousand, three hundred fifty-three".