723041 has 4 divisors (see below), whose sum is σ = 788784. Its totient is φ = 657300.

The previous prime is 723031. The next prime is 723043. The reversal of 723041 is 140327.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 140327 = 11 ⋅12757.

It is a cyclic number.

It is not a de Polignac number, because 723041 - 2⁶ = 722977 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (723043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32855 + ... + 32876.

It is an arithmetic number, because the mean of its divisors is an integer number (197196).

2⁷²³⁰⁴¹ is an apocalyptic number.

It is an amenable number.

723041 is a deficient number, since it is larger than the sum of its proper divisors (65743).

723041 is a wasteful number, since it uses less digits than its factorization.

723041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65742.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 723041 is about 850.3181757436. The cubic root of 723041 is about 89.7541024343.

Adding to 723041 its reverse (140327), we get a palindrome (863368).

It can be divided in two parts, 72 and 3041, that added together give a palindrome (3113).

The spelling of 723041 in words is "seven hundred twenty-three thousand, forty-one", and thus it is an iban number.