723104449 has 2 divisors, whose sum is σ = 723104450. Its totient is φ = 723104448.

The previous prime is 723104443. The next prime is 723104461. The reversal of 723104449 is 944401327.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 700131600 + 22972849 = 26460^2 + 4793^2 .

It is a cyclic number.

It is not a de Polignac number, because 723104449 - 2⁷ = 723104321 is a prime.

It is not a weakly prime, because it can be changed into another prime (723104443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361552224 + 361552225.

It is an arithmetic number, because the mean of its divisors is an integer number (361552225).

Almost surely, 2^723104449 is an apocalyptic number.

It is an amenable number.

723104449 is a deficient number, since it is larger than the sum of its proper divisors (1).

723104449 is an equidigital number, since it uses as much as digits as its factorization.

723104449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 723104449 is about 26890.6014994087. The cubic root of 723104449 is about 897.5672775404.

The spelling of 723104449 in words is "seven hundred twenty-three million, one hundred four thousand, four hundred forty-nine".