723829901 has 2 divisors, whose sum is σ = 723829902. Its totient is φ = 723829900.

The previous prime is 723829891. The next prime is 723829907. The reversal of 723829901 is 109928327.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 707028100 + 16801801 = 26590^2 + 4099^2 .

It is an emirp because it is prime and its reverse (109928327) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 723829901 - 2¹⁰ = 723828877 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (723829907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361914950 + 361914951.

It is an arithmetic number, because the mean of its divisors is an integer number (361914951).

Almost surely, 2^723829901 is an apocalyptic number.

It is an amenable number.

723829901 is a deficient number, since it is larger than the sum of its proper divisors (1).

723829901 is an equidigital number, since it uses as much as digits as its factorization.

723829901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 723829901 is about 26904.0870686965. The cubic root of 723829901 is about 897.8673376247.

The spelling of 723829901 in words is "seven hundred twenty-three million, eight hundred twenty-nine thousand, nine hundred one".