623803 has 2 divisors, whose sum is σ = 623804. Its totient is φ = 623802.

The previous prime is 623771. The next prime is 623839. The reversal of 623803 is 308326.

623803 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 623803 - 2⁵ = 623771 is a prime.

It is not a weakly prime, because it can be changed into another prime (623893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311901 + 311902.

It is an arithmetic number, because the mean of its divisors is an integer number (311902).

2⁶²³⁸⁰³ is an apocalyptic number.

623803 is a deficient number, since it is larger than the sum of its proper divisors (1).

623803 is an equidigital number, since it uses as much as digits as its factorization.

623803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 623803 is about 789.8120029475. The cubic root of 623803 is about 85.4441800191. Note that the first 3 decimals are identical.

The spelling of 623803 in words is "six hundred twenty-three thousand, eight hundred three".