23545654513 has 2 divisors, whose sum is σ = 23545654514. Its totient is φ = 23545654512.

The previous prime is 23545654469. The next prime is 23545654589. The reversal of 23545654513 is 31545654532.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20912630544 + 2633023969 = 144612^2 + 51313^2 .

It is a cyclic number.

It is not a de Polignac number, because 23545654513 - 2²¹ = 23543557361 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23545654513.

It is not a weakly prime, because it can be changed into another prime (23545624513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11772827256 + 11772827257.

It is an arithmetic number, because the mean of its divisors is an integer number (11772827257).

Almost surely, 2^23545654513 is an apocalyptic number.

It is an amenable number.

23545654513 is a deficient number, since it is larger than the sum of its proper divisors (1).

23545654513 is an equidigital number, since it uses as much as digits as its factorization.

23545654513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1080000, while the sum is 43.

The spelling of 23545654513 in words is "twenty-three billion, five hundred forty-five million, six hundred fifty-four thousand, five hundred thirteen".