723573101 has 2 divisors, whose sum is σ = 723573102. Its totient is φ = 723573100.

The previous prime is 723573079. The next prime is 723573157. The reversal of 723573101 is 101375327.

723573101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 723556201 + 16900 = 26899^2 + 130^2 .

It is a cyclic number.

It is not a de Polignac number, because 723573101 - 2¹⁸ = 723310957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (723573161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361786550 + 361786551.

It is an arithmetic number, because the mean of its divisors is an integer number (361786551).

Almost surely, 2^723573101 is an apocalyptic number.

It is an amenable number.

723573101 is a deficient number, since it is larger than the sum of its proper divisors (1).

723573101 is an equidigital number, since it uses as much as digits as its factorization.

723573101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4410, while the sum is 29.

The square root of 723573101 is about 26899.3141362377. The cubic root of 723573101 is about 897.7611434278.

The spelling of 723573101 in words is "seven hundred twenty-three million, five hundred seventy-three thousand, one hundred one".