2493347823 has 24 divisors (see below), whose sum is σ = 3916428048. Its totient is φ = 1522167552.

The previous prime is 2493347809. The next prime is 2493347833. The reversal of 2493347823 is 3287433942.

2493347823 is a `hidden beast` number, since 249 + 334 + 78 + 2 + 3 = 666.

It is not a de Polignac number, because 2493347823 - 2¹⁰ = 2493346799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2493347833) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 214561 + ... + 225882.

It is an arithmetic number, because the mean of its divisors is an integer number (163184502).

Almost surely, 2^2493347823 is an apocalyptic number.

2493347823 is a deficient number, since it is larger than the sum of its proper divisors (1423080225).

2493347823 is a wasteful number, since it uses less digits than its factorization.

2493347823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440503 (or 440500 counting only the distinct ones).

The product of its digits is 870912, while the sum is 45.

The square root of 2493347823 is about 49933.4339195694. The cubic root of 2493347823 is about 1356.0039532477.

The spelling of 2493347823 in words is "two billion, four hundred ninety-three million, three hundred forty-seven thousand, eight hundred twenty-three".