23446851893 has 2 divisors, whose sum is σ = 23446851894. Its totient is φ = 23446851892.

The previous prime is 23446851859. The next prime is 23446851919. The reversal of 23446851893 is 39815864432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14922576964 + 8524274929 = 122158^2 + 92327^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23446851893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23446851833) 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, 11723425946 + 11723425947.

It is an arithmetic number, because the mean of its divisors is an integer number (11723425947).

Almost surely, 2^23446851893 is an apocalyptic number.

It is an amenable number.

23446851893 is a deficient number, since it is larger than the sum of its proper divisors (1).

23446851893 is an equidigital number, since it uses as much as digits as its factorization.

23446851893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4976640, while the sum is 53.

The spelling of 23446851893 in words is "twenty-three billion, four hundred forty-six million, eight hundred fifty-one thousand, eight hundred ninety-three".