23545654589 has 2 divisors, whose sum is σ = 23545654590. Its totient is φ = 23545654588.

The previous prime is 23545654513. The next prime is 23545654597. The reversal of 23545654589 is 98545654532.

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., 22049280100 + 1496374489 = 148490^2 + 38683^2 .

It is a cyclic number.

It is not a de Polignac number, because 23545654589 - 2¹² = 23545650493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23545653589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11772827294 + 11772827295.

It is an arithmetic number, because the mean of its divisors is an integer number (11772827295).

Almost surely, 2^23545654589 is an apocalyptic number.

It is an amenable number.

23545654589 is a deficient number, since it is larger than the sum of its proper divisors (1).

23545654589 is an equidigital number, since it uses as much as digits as its factorization.

23545654589 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920000, while the sum is 56.

The spelling of 23545654589 in words is "twenty-three billion, five hundred forty-five million, six hundred fifty-four thousand, five hundred eighty-nine".