723450013 has 8 divisors (see below), whose sum is σ = 849927456. Its totient is φ = 607090800.

The previous prime is 723449999. The next prime is 723450019. The reversal of 723450013 is 310054327.

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 723450013 - 2²¹ = 721352861 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 723450013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (723450019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2529403 + ... + 2529688.

It is an arithmetic number, because the mean of its divisors is an integer number (106240932).

Almost surely, 2^723450013 is an apocalyptic number.

It is an amenable number.

723450013 is a deficient number, since it is larger than the sum of its proper divisors (126477443).

723450013 is a wasteful number, since it uses less digits than its factorization.

723450013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5059115.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 723450013 is about 26897.0260995523. The cubic root of 723450013 is about 897.7102340864.

The spelling of 723450013 in words is "seven hundred twenty-three million, four hundred fifty thousand, thirteen".