7123223 has 2 divisors, whose sum is σ = 7123224. Its totient is φ = 7123222.

The previous prime is 7123213. The next prime is 7123229. The reversal of 7123223 is 3223217.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7123223 - 2⁶ = 7123159 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7123195 and 7123204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7123229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3561611 + 3561612.

It is an arithmetic number, because the mean of its divisors is an integer number (3561612).

Almost surely, 2^7123223 is an apocalyptic number.

7123223 is a deficient number, since it is larger than the sum of its proper divisors (1).

7123223 is an equidigital number, since it uses as much as digits as its factorization.

7123223 is an evil number, because the sum of its binary digits is even.

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

The square root of 7123223 is about 2668.9366796535. The cubic root of 7123223 is about 192.4090580723.

The spelling of 7123223 in words is "seven million, one hundred twenty-three thousand, two hundred twenty-three".