7123216333 has 2 divisors, whose sum is σ = 7123216334. Its totient is φ = 7123216332.

The previous prime is 7123216273. The next prime is 7123216339. The reversal of 7123216333 is 3336123217.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6573642084 + 549574249 = 81078^2 + 23443^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7123216333 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7123216295 and 7123216304.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7123216339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3561608166 + 3561608167.

It is an arithmetic number, because the mean of its divisors is an integer number (3561608167).

Almost surely, 2^7123216333 is an apocalyptic number.

It is an amenable number.

7123216333 is a deficient number, since it is larger than the sum of its proper divisors (1).

7123216333 is an equidigital number, since it uses as much as digits as its factorization.

7123216333 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13608, while the sum is 31.

The square root of 7123216333 is about 84399.1488878887. The cubic root of 7123216333 is about 1924.0899804370.

The spelling of 7123216333 in words is "seven billion, one hundred twenty-three million, two hundred sixteen thousand, three hundred thirty-three".