2439662823 has 24 divisors (see below), whose sum is σ = 3805273472. Its totient is φ = 1497279168.

The previous prime is 2439662801. The next prime is 2439662861. The reversal of 2439662823 is 3282669342.

It is a happy number.

2439662823 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2439662823 - 2¹³ = 2439654631 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2439662123) 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, 15690 + ... + 71592.

Almost surely, 2^2439662823 is an apocalyptic number.

2439662823 is a deficient number, since it is larger than the sum of its proper divisors (1365610649).

2439662823 is a wasteful number, since it uses less digits than its factorization.

2439662823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56295 (or 56292 counting only the distinct ones).

The product of its digits is 746496, while the sum is 45.

The square root of 2439662823 is about 49392.9430485773. The cubic root of 2439662823 is about 1346.2010844443.

The spelling of 2439662823 in words is "two billion, four hundred thirty-nine million, six hundred sixty-two thousand, eight hundred twenty-three".