23370547691 has 2 divisors, whose sum is σ = 23370547692. Its totient is φ = 23370547690.

The previous prime is 23370547679. The next prime is 23370547693. The reversal of 23370547691 is 19674507332.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23370547691 is a prime.

Together with 23370547693, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23370547693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11685273845 + 11685273846.

It is an arithmetic number, because the mean of its divisors is an integer number (11685273846).

Almost surely, 2^23370547691 is an apocalyptic number.

23370547691 is a deficient number, since it is larger than the sum of its proper divisors (1).

23370547691 is an equidigital number, since it uses as much as digits as its factorization.

23370547691 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 952560, while the sum is 47.

The spelling of 23370547691 in words is "twenty-three billion, three hundred seventy million, five hundred forty-seven thousand, six hundred ninety-one".