2440123447 has 2 divisors, whose sum is σ = 2440123448. Its totient is φ = 2440123446.

The previous prime is 2440123421. The next prime is 2440123493. The reversal of 2440123447 is 7443210442.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2440123447 - 2³¹ = 292639799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2440123417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1220061723 + 1220061724.

It is an arithmetic number, because the mean of its divisors is an integer number (1220061724).

Almost surely, 2^2440123447 is an apocalyptic number.

2440123447 is a deficient number, since it is larger than the sum of its proper divisors (1).

2440123447 is an equidigital number, since it uses as much as digits as its factorization.

2440123447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21504, while the sum is 31.

The square root of 2440123447 is about 49397.6056808425. The cubic root of 2440123447 is about 1346.2858029146.

Adding to 2440123447 its reverse (7443210442), we get a palindrome (9883333889).

The spelling of 2440123447 in words is "two billion, four hundred forty million, one hundred twenty-three thousand, four hundred forty-seven".