723226453 has 2 divisors, whose sum is σ = 723226454. Its totient is φ = 723226452.

The previous prime is 723226411. The next prime is 723226463. The reversal of 723226453 is 354622327.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 705061809 + 18164644 = 26553^2 + 4262^2 .

It is a cyclic number.

It is not a de Polignac number, because 723226453 - 2²⁵ = 689672021 is a prime.

It is a super-2 number, since 2×723226453² = 1046113004637922418, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (723226463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361613226 + 361613227.

It is an arithmetic number, because the mean of its divisors is an integer number (361613227).

Almost surely, 2^723226453 is an apocalyptic number.

It is an amenable number.

723226453 is a deficient number, since it is larger than the sum of its proper divisors (1).

723226453 is an equidigital number, since it uses as much as digits as its factorization.

723226453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 34.

The square root of 723226453 is about 26892.8699286632. The cubic root of 723226453 is about 897.6177546372.

The spelling of 723226453 in words is "seven hundred twenty-three million, two hundred twenty-six thousand, four hundred fifty-three".