3681023 has 2 divisors, whose sum is σ = 3681024. Its totient is φ = 3681022.

The previous prime is 3681017. The next prime is 3681031. The reversal of 3681023 is 3201863.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3681023 - 2¹⁰ = 3679999 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3681023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3681043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1840511 + 1840512.

It is an arithmetic number, because the mean of its divisors is an integer number (1840512).

Almost surely, 2^3681023 is an apocalyptic number.

3681023 is a deficient number, since it is larger than the sum of its proper divisors (1).

3681023 is an equidigital number, since it uses as much as digits as its factorization.

3681023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 3681023 is about 1918.5992286040. The cubic root of 3681023 is about 154.4031574027.

Adding to 3681023 its reverse (3201863), we get a palindrome (6882886).

The spelling of 3681023 in words is "three million, six hundred eighty-one thousand, twenty-three".