623963 has 2 divisors, whose sum is σ = 623964. Its totient is φ = 623962.

The previous prime is 623957. The next prime is 623977. The reversal of 623963 is 369326.

623963 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 623963 - 2⁴ = 623947 is a prime.

It is a Chen prime.

It is a plaindrome in base 14.

It is not a weakly prime, because it can be changed into another prime (623923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311981 + 311982.

It is an arithmetic number, because the mean of its divisors is an integer number (311982).

2⁶²³⁹⁶³ is an apocalyptic number.

623963 is a deficient number, since it is larger than the sum of its proper divisors (1).

623963 is an equidigital number, since it uses as much as digits as its factorization.

623963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5832, while the sum is 29.

The square root of 623963 is about 789.9132863802. The cubic root of 623963 is about 85.4514846222.

The spelling of 623963 in words is "six hundred twenty-three thousand, nine hundred sixty-three".