723730441 has 12 divisors (see below), whose sum is σ = 844133520. Its totient is φ = 618687720.

The previous prime is 723730417. The next prime is 723730451. The reversal of 723730441 is 144037327.

It is not a de Polignac number, because 723730441 - 2¹⁷ = 723599369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (723730451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 915 + ... + 38056.

It is an arithmetic number, because the mean of its divisors is an integer number (70344460).

Almost surely, 2^723730441 is an apocalyptic number.

It is an amenable number.

723730441 is a deficient number, since it is larger than the sum of its proper divisors (120403079).

723730441 is a wasteful number, since it uses less digits than its factorization.

723730441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39364 (or 39357 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 31.

The square root of 723730441 is about 26902.2385871511. The cubic root of 723730441 is about 897.8262110305.

Adding to 723730441 its reverse (144037327), we get a palindrome (867767768).

The spelling of 723730441 in words is "seven hundred twenty-three million, seven hundred thirty thousand, four hundred forty-one".