3201423209 has 2 divisors, whose sum is σ = 3201423210. Its totient is φ = 3201423208.

The previous prime is 3201423193. The next prime is 3201423241. The reversal of 3201423209 is 9023241023.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2122629184 + 1078794025 = 46072^2 + 32845^2 .

It is a cyclic number.

It is not a de Polignac number, because 3201423209 - 2⁴ = 3201423193 is a prime.

It is a super-2 number, since 2×3201423209² = 20498221126247715362, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3201425209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1600711604 + 1600711605.

It is an arithmetic number, because the mean of its divisors is an integer number (1600711605).

Almost surely, 2^3201423209 is an apocalyptic number.

It is an amenable number.

3201423209 is a deficient number, since it is larger than the sum of its proper divisors (1).

3201423209 is an equidigital number, since it uses as much as digits as its factorization.

3201423209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 3201423209 is about 56581.1206057286. The cubic root of 3201423209 is about 1473.8310315260.

The spelling of 3201423209 in words is "three billion, two hundred one million, four hundred twenty-three thousand, two hundred nine".