724224214123 has 2 divisors, whose sum is σ = 724224214124. Its totient is φ = 724224214122.

The previous prime is 724224214111. The next prime is 724224214211. The reversal of 724224214123 is 321412422427.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 724224214123 - 2²¹ = 724222116971 is a prime.

It is not a weakly prime, because it can be changed into another prime (724224214223) 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, 362112107061 + 362112107062.

It is an arithmetic number, because the mean of its divisors is an integer number (362112107062).

Almost surely, 2^724224214123 is an apocalyptic number.

724224214123 is a deficient number, since it is larger than the sum of its proper divisors (1).

724224214123 is an equidigital number, since it uses as much as digits as its factorization.

724224214123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43008, while the sum is 34.

The spelling of 724224214123 in words is "seven hundred twenty-four billion, two hundred twenty-four million, two hundred fourteen thousand, one hundred twenty-three".