673133233 has 2 divisors, whose sum is σ = 673133234. Its totient is φ = 673133232.

The previous prime is 673133213. The next prime is 673133243. The reversal of 673133233 is 332331376.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 640494864 + 32638369 = 25308^2 + 5713^2 .

It is a cyclic number.

It is not a de Polignac number, because 673133233 - 2²¹ = 671036081 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 673133195 and 673133204.

It is not a weakly prime, because it can be changed into another prime (673133213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336566616 + 336566617.

It is an arithmetic number, because the mean of its divisors is an integer number (336566617).

Almost surely, 2^673133233 is an apocalyptic number.

It is an amenable number.

673133233 is a deficient number, since it is larger than the sum of its proper divisors (1).

673133233 is an equidigital number, since it uses as much as digits as its factorization.

673133233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20412, while the sum is 31.

The square root of 673133233 is about 25944.8112924338. The cubic root of 673133233 is about 876.3959141300.

The spelling of 673133233 in words is "six hundred seventy-three million, one hundred thirty-three thousand, two hundred thirty-three".