23853772993 has 2 divisors, whose sum is σ = 23853772994. Its totient is φ = 23853772992.

The previous prime is 23853772973. The next prime is 23853773051. The reversal of 23853772993 is 39927735832.

It is an a-pointer prime, because the next prime (23853773051) can be obtained adding 23853772993 to its sum of digits (58).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14083043584 + 9770729409 = 118672^2 + 98847^2 .

It is a cyclic number.

It is not a de Polignac number, because 23853772993 - 2⁵ = 23853772961 is a prime.

It is not a weakly prime, because it can be changed into another prime (23853772963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11926886496 + 11926886497.

It is an arithmetic number, because the mean of its divisors is an integer number (11926886497).

Almost surely, 2^23853772993 is an apocalyptic number.

It is an amenable number.

23853772993 is a deficient number, since it is larger than the sum of its proper divisors (1).

23853772993 is an equidigital number, since it uses as much as digits as its factorization.

23853772993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17146080, while the sum is 58.

The spelling of 23853772993 in words is "twenty-three billion, eight hundred fifty-three million, seven hundred seventy-two thousand, nine hundred ninety-three".