72430224203 has 2 divisors, whose sum is σ = 72430224204. Its totient is φ = 72430224202.

The previous prime is 72430224193. The next prime is 72430224211. The reversal of 72430224203 is 30242203427.

It is a strong prime.

It is an emirp because it is prime and its reverse (30242203427) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 72430224203 - 2⁴ = 72430224187 is a prime.

It is a super-2 number, since 2×72430224203² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (72430224263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36215112101 + 36215112102.

It is an arithmetic number, because the mean of its divisors is an integer number (36215112102).

Almost surely, 2^72430224203 is an apocalyptic number.

72430224203 is a deficient number, since it is larger than the sum of its proper divisors (1).

72430224203 is an equidigital number, since it uses as much as digits as its factorization.

72430224203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 29.

The spelling of 72430224203 in words is "seventy-two billion, four hundred thirty million, two hundred twenty-four thousand, two hundred three".