23841009691 has 2 divisors, whose sum is σ = 23841009692. Its totient is φ = 23841009690.

The previous prime is 23841009671. The next prime is 23841009727. The reversal of 23841009691 is 19690014832.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23841009691 - 2¹¹ = 23841007643 is a prime.

It is not a weakly prime, because it can be changed into another prime (23841009641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11920504845 + 11920504846.

It is an arithmetic number, because the mean of its divisors is an integer number (11920504846).

Almost surely, 2^23841009691 is an apocalyptic number.

23841009691 is a deficient number, since it is larger than the sum of its proper divisors (1).

23841009691 is an equidigital number, since it uses as much as digits as its factorization.

23841009691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 43.

The spelling of 23841009691 in words is "twenty-three billion, eight hundred forty-one million, nine thousand, six hundred ninety-one".