723668411 has 4 divisors (see below), whose sum is σ = 723723024. Its totient is φ = 723613800.

The previous prime is 723668401. The next prime is 723668441. The reversal of 723668411 is 114866327.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 723668411 - 2⁶ = 723668347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (723668401) 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, 6626 + ... + 38616.

It is an arithmetic number, because the mean of its divisors is an integer number (180930756).

Almost surely, 2^723668411 is an apocalyptic number.

723668411 is a deficient number, since it is larger than the sum of its proper divisors (54613).

723668411 is a wasteful number, since it uses less digits than its factorization.

723668411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54612.

The product of its digits is 48384, while the sum is 38.

The square root of 723668411 is about 26901.0856844106. The cubic root of 723668411 is about 897.8005597898.

The spelling of 723668411 in words is "seven hundred twenty-three million, six hundred sixty-eight thousand, four hundred eleven".