7312257223 has 2 divisors, whose sum is σ = 7312257224. Its totient is φ = 7312257222.

The previous prime is 7312257187. The next prime is 7312257263. The reversal of 7312257223 is 3227522137.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7312257223 - 2²⁹ = 6775386311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7312257263) 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, 3656128611 + 3656128612.

It is an arithmetic number, because the mean of its divisors is an integer number (3656128612).

Almost surely, 2^7312257223 is an apocalyptic number.

7312257223 is a deficient number, since it is larger than the sum of its proper divisors (1).

7312257223 is an equidigital number, since it uses as much as digits as its factorization.

7312257223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 35280, while the sum is 34.

The square root of 7312257223 is about 85511.7373405546. The cubic root of 7312257223 is about 1940.9625385263.

The spelling of 7312257223 in words is "seven billion, three hundred twelve million, two hundred fifty-seven thousand, two hundred twenty-three".