2447931223 has 4 divisors (see below), whose sum is σ = 2467206400. Its totient is φ = 2428656048.

The previous prime is 2447931217. The next prime is 2447931247. The reversal of 2447931223 is 3221397442.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2447931223 - 2⁹ = 2447930711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2447931263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9637398 + ... + 9637651.

It is an arithmetic number, because the mean of its divisors is an integer number (616801600).

Almost surely, 2^2447931223 is an apocalyptic number.

2447931223 is a deficient number, since it is larger than the sum of its proper divisors (19275177).

2447931223 is a wasteful number, since it uses less digits than its factorization.

2447931223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19275176.

The product of its digits is 72576, while the sum is 37.

The square root of 2447931223 is about 49476.5724661683. The cubic root of 2447931223 is about 1347.7201984443.

It can be divided in two parts, 244793 and 1223, that added together give a square (246016 = 496²).

The spelling of 2447931223 in words is "two billion, four hundred forty-seven million, nine hundred thirty-one thousand, two hundred twenty-three".