23689211593 has 2 divisors, whose sum is σ = 23689211594. Its totient is φ = 23689211592.

The previous prime is 23689211551. The next prime is 23689211659. The reversal of 23689211593 is 39511298632.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12268442169 + 11420769424 = 110763^2 + 106868^2 .

It is a cyclic number.

It is not a de Polignac number, because 23689211593 - 2¹⁷ = 23689080521 is a prime.

It is a super-2 number, since 2×23689211593² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23689211543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11844605796 + 11844605797.

It is an arithmetic number, because the mean of its divisors is an integer number (11844605797).

Almost surely, 2^23689211593 is an apocalyptic number.

It is an amenable number.

23689211593 is a deficient number, since it is larger than the sum of its proper divisors (1).

23689211593 is an equidigital number, since it uses as much as digits as its factorization.

23689211593 is an evil number, because the sum of its binary digits is even.

The product of its digits is 699840, while the sum is 49.

The spelling of 23689211593 in words is "twenty-three billion, six hundred eighty-nine million, two hundred eleven thousand, five hundred ninety-three".