72384223 has 2 divisors, whose sum is σ = 72384224. Its totient is φ = 72384222.

The previous prime is 72384161. The next prime is 72384233. The reversal of 72384223 is 32248327.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72384223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72384233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36192111 + 36192112.

It is an arithmetic number, because the mean of its divisors is an integer number (36192112).

Almost surely, 2^72384223 is an apocalyptic number.

72384223 is a deficient number, since it is larger than the sum of its proper divisors (1).

72384223 is an equidigital number, since it uses as much as digits as its factorization.

72384223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 31.

The square root of 72384223 is about 8507.8918070225. The cubic root of 72384223 is about 416.7554670112.

The spelling of 72384223 in words is "seventy-two million, three hundred eighty-four thousand, two hundred twenty-three".