2101232347 has 2 divisors, whose sum is σ = 2101232348. Its totient is φ = 2101232346.

The previous prime is 2101232303. The next prime is 2101232383. The reversal of 2101232347 is 7432321012.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2101232347 - 2²⁷ = 1967014619 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (2101232387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050616173 + 1050616174.

It is an arithmetic number, because the mean of its divisors is an integer number (1050616174).

Almost surely, 2^2101232347 is an apocalyptic number.

2101232347 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101232347 is an equidigital number, since it uses as much as digits as its factorization.

2101232347 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 2101232347 is about 45839.2009856193. The cubic root of 2101232347 is about 1280.8296109075.

Adding to 2101232347 its reverse (7432321012), we get a palindrome (9533553359).

The spelling of 2101232347 in words is "two billion, one hundred one million, two hundred thirty-two thousand, three hundred forty-seven".