633923 has 2 divisors, whose sum is σ = 633924. Its totient is φ = 633922.

The previous prime is 633883. The next prime is 633931. The reversal of 633923 is 329336.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 633923 - 2⁸ = 633667 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 633892 and 633901.

It is not a weakly prime, because it can be changed into another prime (633943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 316961 + 316962.

It is an arithmetic number, because the mean of its divisors is an integer number (316962).

2⁶³³⁹²³ is an apocalyptic number.

633923 is a deficient number, since it is larger than the sum of its proper divisors (1).

633923 is an equidigital number, since it uses as much as digits as its factorization.

633923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2916, while the sum is 26.

The square root of 633923 is about 796.1928158430. The cubic root of 633923 is about 85.9037592944.

The spelling of 633923 in words is "six hundred thirty-three thousand, nine hundred twenty-three".