72223103 has 2 divisors, whose sum is σ = 72223104. Its totient is φ = 72223102.

The previous prime is 72223097. The next prime is 72223111. The reversal of 72223103 is 30132227.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72223103 - 2¹⁰ = 72222079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72223903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36111551 + 36111552.

It is an arithmetic number, because the mean of its divisors is an integer number (36111552).

Almost surely, 2^72223103 is an apocalyptic number.

72223103 is a deficient number, since it is larger than the sum of its proper divisors (1).

72223103 is an equidigital number, since it uses as much as digits as its factorization.

72223103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 72223103 is about 8498.4176762501. The cubic root of 72223103 is about 416.4460187132.

The spelling of 72223103 in words is "seventy-two million, two hundred twenty-three thousand, one hundred three".