623302723 has 2 divisors, whose sum is σ = 623302724. Its totient is φ = 623302722.

The previous prime is 623302711. The next prime is 623302751. The reversal of 623302723 is 327203326.

It is an a-pointer prime, because the next prime (623302751) can be obtained adding 623302723 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 623302723 - 2¹⁷ = 623171651 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 623302691 and 623302700.

It is not a weakly prime, because it can be changed into another prime (623302763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311651361 + 311651362.

It is an arithmetic number, because the mean of its divisors is an integer number (311651362).

Almost surely, 2^623302723 is an apocalyptic number.

623302723 is a deficient number, since it is larger than the sum of its proper divisors (1).

623302723 is an equidigital number, since it uses as much as digits as its factorization.

623302723 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 28.

The square root of 623302723 is about 24966.0313826607. The cubic root of 623302723 is about 854.2133242658.

The spelling of 623302723 in words is "six hundred twenty-three million, three hundred two thousand, seven hundred twenty-three".