2405009723 has 8 divisors (see below), whose sum is σ = 2413990992. Its totient is φ = 2396043936.

The previous prime is 2405009707. The next prime is 2405009749. The reversal of 2405009723 is 3279005042.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2405009723 - 2⁴ = 2405009707 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2405009723.

It is not an unprimeable number, because it can be changed into a prime (2405009323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 372761 + ... + 379157.

It is an arithmetic number, because the mean of its divisors is an integer number (301748874).

Almost surely, 2^2405009723 is an apocalyptic number.

2405009723 is a deficient number, since it is larger than the sum of its proper divisors (8981269).

2405009723 is an equidigital number, since it uses as much as digits as its factorization.

2405009723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7741.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 2405009723 is about 49040.8984726014. The cubic root of 2405009723 is about 1339.7968287422.

The spelling of 2405009723 in words is "two billion, four hundred five million, nine thousand, seven hundred twenty-three".