723662245261 has 2 divisors, whose sum is σ = 723662245262. Its totient is φ = 723662245260.

The previous prime is 723662245151. The next prime is 723662245279. The reversal of 723662245261 is 162542266327.

723662245261 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., 692047627236 + 31614618025 = 831894^2 + 177805^2 .

It is a cyclic number.

It is not a de Polignac number, because 723662245261 - 2³⁷ = 586223291789 is a prime.

It is a super-3 number, since 3×723662245261³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (723662245661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361831122630 + 361831122631.

It is an arithmetic number, because the mean of its divisors is an integer number (361831122631).

Almost surely, 2^723662245261 is an apocalyptic number.

It is an amenable number.

723662245261 is a deficient number, since it is larger than the sum of its proper divisors (1).

723662245261 is an equidigital number, since it uses as much as digits as its factorization.

723662245261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1451520, while the sum is 46.

The spelling of 723662245261 in words is "seven hundred twenty-three billion, six hundred sixty-two million, two hundred forty-five thousand, two hundred sixty-one".