3205140223 has 2 divisors, whose sum is σ = 3205140224. Its totient is φ = 3205140222.

The previous prime is 3205140209. The next prime is 3205140259. The reversal of 3205140223 is 3220415023.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3205140223 - 2¹³ = 3205132031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3205140194 and 3205140203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3205140823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1602570111 + 1602570112.

It is an arithmetic number, because the mean of its divisors is an integer number (1602570112).

Almost surely, 2^3205140223 is an apocalyptic number.

3205140223 is a deficient number, since it is larger than the sum of its proper divisors (1).

3205140223 is an equidigital number, since it uses as much as digits as its factorization.

3205140223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 3205140223 is about 56613.9578461001. The cubic root of 3205140223 is about 1474.4012083309.

Adding to 3205140223 its reverse (3220415023), we get a palindrome (6425555246).

The spelling of 3205140223 in words is "three billion, two hundred five million, one hundred forty thousand, two hundred twenty-three".