23305198723 has 2 divisors, whose sum is σ = 23305198724. Its totient is φ = 23305198722.

The previous prime is 23305198717. The next prime is 23305198727. The reversal of 23305198723 is 32789150332.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23305198723 - 2⁵ = 23305198691 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23305198723.

It is not a weakly prime, because it can be changed into another prime (23305198727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11652599361 + 11652599362.

It is an arithmetic number, because the mean of its divisors is an integer number (11652599362).

Almost surely, 2^23305198723 is an apocalyptic number.

23305198723 is a deficient number, since it is larger than the sum of its proper divisors (1).

23305198723 is an equidigital number, since it uses as much as digits as its factorization.

23305198723 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 272160, while the sum is 43.

The spelling of 23305198723 in words is "twenty-three billion, three hundred five million, one hundred ninety-eight thousand, seven hundred twenty-three".