723858068149 has 2 divisors, whose sum is σ = 723858068150. Its totient is φ = 723858068148.

The previous prime is 723858068119. The next prime is 723858068173. The reversal of 723858068149 is 941860858327.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 504476370225 + 219381697924 = 710265^2 + 468382^2 .

It is a cyclic number.

It is not a de Polignac number, because 723858068149 - 2⁹ = 723858067637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (723858068119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361929034074 + 361929034075.

It is an arithmetic number, because the mean of its divisors is an integer number (361929034075).

It is a 1-persistent number, because it is pandigital, but 2⋅723858068149 = 1447716136298 is not.

Almost surely, 2^723858068149 is an apocalyptic number.

It is an amenable number.

723858068149 is a deficient number, since it is larger than the sum of its proper divisors (1).

723858068149 is an equidigital number, since it uses as much as digits as its factorization.

723858068149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23224320, while the sum is 61.

The spelling of 723858068149 in words is "seven hundred twenty-three billion, eight hundred fifty-eight million, sixty-eight thousand, one hundred forty-nine".