23946047393 has 2 divisors, whose sum is σ = 23946047394. Its totient is φ = 23946047392.

The previous prime is 23946047347. The next prime is 23946047401. The reversal of 23946047393 is 39374064932.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21977173009 + 1968874384 = 148247^2 + 44372^2 .

It is a cyclic number.

It is not a de Polignac number, because 23946047393 - 2¹⁸ = 23945785249 is a prime.

It is not a weakly prime, because it can be changed into another prime (23946047093) 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, 11973023696 + 11973023697.

It is an arithmetic number, because the mean of its divisors is an integer number (11973023697).

Almost surely, 2^23946047393 is an apocalyptic number.

It is an amenable number.

23946047393 is a deficient number, since it is larger than the sum of its proper divisors (1).

23946047393 is an equidigital number, since it uses as much as digits as its factorization.

23946047393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2939328, while the sum is 50.

The spelling of 23946047393 in words is "twenty-three billion, nine hundred forty-six million, forty-seven thousand, three hundred ninety-three".