723155141 has 2 divisors, whose sum is σ = 723155142. Its totient is φ = 723155140.

The previous prime is 723155131. The next prime is 723155149. The reversal of 723155141 is 141551327.

723155141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 692795041 + 30360100 = 26321^2 + 5510^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-723155141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (723155149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361577570 + 361577571.

It is an arithmetic number, because the mean of its divisors is an integer number (361577571).

Almost surely, 2^723155141 is an apocalyptic number.

It is an amenable number.

723155141 is a deficient number, since it is larger than the sum of its proper divisors (1).

723155141 is an equidigital number, since it uses as much as digits as its factorization.

723155141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4200, while the sum is 29.

The square root of 723155141 is about 26891.5440426912. The cubic root of 723155141 is about 897.5882511896.

The spelling of 723155141 in words is "seven hundred twenty-three million, one hundred fifty-five thousand, one hundred forty-one".