7320623 has 2 divisors, whose sum is σ = 7320624. Its totient is φ = 7320622.

The previous prime is 7320617. The next prime is 7320637. The reversal of 7320623 is 3260237.

7320623 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (3260237) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7320623 is a prime.

It is a super-2 number, since 2×7320623² = 107183042216258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7320653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3660311 + 3660312.

It is an arithmetic number, because the mean of its divisors is an integer number (3660312).

Almost surely, 2^7320623 is an apocalyptic number.

7320623 is a deficient number, since it is larger than the sum of its proper divisors (1).

7320623 is an equidigital number, since it uses as much as digits as its factorization.

7320623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 23.

The square root of 7320623 is about 2705.6649829571. The cubic root of 7320623 is about 194.1702459221.

The spelling of 7320623 in words is "seven million, three hundred twenty thousand, six hundred twenty-three".