3261195823 has 2 divisors, whose sum is σ = 3261195824. Its totient is φ = 3261195822.

The previous prime is 3261195811. The next prime is 3261195827. The reversal of 3261195823 is 3285911623.

3261195823 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3261195823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3261195827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1630597911 + 1630597912.

It is an arithmetic number, because the mean of its divisors is an integer number (1630597912).

Almost surely, 2^3261195823 is an apocalyptic number.

3261195823 is a deficient number, since it is larger than the sum of its proper divisors (1).

3261195823 is an equidigital number, since it uses as much as digits as its factorization.

3261195823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 40.

The square root of 3261195823 is about 57106.8806975132. The cubic root of 3261195823 is about 1482.9469864271.

The spelling of 3261195823 in words is "three billion, two hundred sixty-one million, one hundred ninety-five thousand, eight hundred twenty-three".