3856197623 has 2 divisors, whose sum is σ = 3856197624. Its totient is φ = 3856197622.

The previous prime is 3856197619. The next prime is 3856197701. The reversal of 3856197623 is 3267916583.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3856197623 - 2² = 3856197619 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3856197923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1928098811 + 1928098812.

It is an arithmetic number, because the mean of its divisors is an integer number (1928098812).

Almost surely, 2^3856197623 is an apocalyptic number.

3856197623 is a deficient number, since it is larger than the sum of its proper divisors (1).

3856197623 is an equidigital number, since it uses as much as digits as its factorization.

3856197623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1632960, while the sum is 50.

The square root of 3856197623 is about 62098.2900167146. The cubic root of 3856197623 is about 1568.1457578248.

The spelling of 3856197623 in words is "three billion, eight hundred fifty-six million, one hundred ninety-seven thousand, six hundred twenty-three".