23921358941 has 2 divisors, whose sum is σ = 23921358942. Its totient is φ = 23921358940.

The previous prime is 23921358919. The next prime is 23921358959. The reversal of 23921358941 is 14985312932.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23891884900 + 29474041 = 154570^2 + 5429^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23921358941 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23921358641) 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, 11960679470 + 11960679471.

It is an arithmetic number, because the mean of its divisors is an integer number (11960679471).

Almost surely, 2^23921358941 is an apocalyptic number.

It is an amenable number.

23921358941 is a deficient number, since it is larger than the sum of its proper divisors (1).

23921358941 is an equidigital number, since it uses as much as digits as its factorization.

23921358941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 466560, while the sum is 47.

The spelling of 23921358941 in words is "twenty-three billion, nine hundred twenty-one million, three hundred fifty-eight thousand, nine hundred forty-one".