2453544923 has 4 divisors (see below), whose sum is σ = 2453645040. Its totient is φ = 2453444808.

The previous prime is 2453544911. The next prime is 2453544937. The reversal of 2453544923 is 3294453542.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3294453542 = 2 ⋅1647226771.

It is a cyclic number.

It is not a de Polignac number, because 2453544923 - 2¹⁶ = 2453479387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2453544943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14186 + ... + 71472.

It is an arithmetic number, because the mean of its divisors is an integer number (613411260).

Almost surely, 2^2453544923 is an apocalyptic number.

2453544923 is a deficient number, since it is larger than the sum of its proper divisors (100117).

2453544923 is an equidigital number, since it uses as much as digits as its factorization.

2453544923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100116.

The product of its digits is 518400, while the sum is 41.

The square root of 2453544923 is about 49533.2708691845. The cubic root of 2453544923 is about 1348.7496283615.

The spelling of 2453544923 in words is "two billion, four hundred fifty-three million, five hundred forty-four thousand, nine hundred twenty-three".