23263788643 has 2 divisors, whose sum is σ = 23263788644. Its totient is φ = 23263788642.

The previous prime is 23263788629. The next prime is 23263788659. The reversal of 23263788643 is 34688736232.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23263788643 - 2²¹ = 23261691491 is a prime.

It is not a weakly prime, because it can be changed into another prime (23263788683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11631894321 + 11631894322.

It is an arithmetic number, because the mean of its divisors is an integer number (11631894322).

Almost surely, 2^23263788643 is an apocalyptic number.

23263788643 is a deficient number, since it is larger than the sum of its proper divisors (1).

23263788643 is an equidigital number, since it uses as much as digits as its factorization.

23263788643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6967296, while the sum is 52.

The spelling of 23263788643 in words is "twenty-three billion, two hundred sixty-three million, seven hundred eighty-eight thousand, six hundred forty-three".