23851277567641 has 2 divisors, whose sum is σ = 23851277567642. Its totient is φ = 23851277567640.

The previous prime is 23851277567603. The next prime is 23851277567651. The reversal of 23851277567641 is 14676577215832.

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., 16799177742400 + 7052099825241 = 4098680^2 + 2655579^2 .

It is a cyclic number.

It is not a de Polignac number, because 23851277567641 - 2⁹ = 23851277567129 is a prime.

It is not a weakly prime, because it can be changed into another prime (23851277567651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11925638783820 + 11925638783821.

It is an arithmetic number, because the mean of its divisors is an integer number (11925638783821).

Almost surely, 2^{23851277567641} is an apocalyptic number.

It is an amenable number.

23851277567641 is a deficient number, since it is larger than the sum of its proper divisors (1).

23851277567641 is an equidigital number, since it uses as much as digits as its factorization.

23851277567641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 118540800, while the sum is 64.

The spelling of 23851277567641 in words is "twenty-three trillion, eight hundred fifty-one billion, two hundred seventy-seven million, five hundred sixty-seven thousand, six hundred forty-one".