3268208623 has 2 divisors, whose sum is σ = 3268208624. Its totient is φ = 3268208622.

The previous prime is 3268208561. The next prime is 3268208627. The reversal of 3268208623 is 3268028623.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3268208623 is a prime.

It is a super-2 number, since 2×3268208623² = 21362375206903112258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3268208627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1634104311 + 1634104312.

It is an arithmetic number, because the mean of its divisors is an integer number (1634104312).

Almost surely, 2^3268208623 is an apocalyptic number.

3268208623 is a deficient number, since it is larger than the sum of its proper divisors (1).

3268208623 is an equidigital number, since it uses as much as digits as its factorization.

3268208623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 165888, while the sum is 40.

The square root of 3268208623 is about 57168.2483814224. The cubic root of 3268208623 is about 1484.0091903672.

The spelling of 3268208623 in words is "three billion, two hundred sixty-eight million, two hundred eight thousand, six hundred twenty-three".