23045504240513 has 2 divisors, whose sum is σ = 23045504240514. Its totient is φ = 23045504240512.

The previous prime is 23045504240413. The next prime is 23045504240579. The reversal of 23045504240513 is 31504240554032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19778726339584 + 3266777900929 = 4447328^2 + 1807423^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23045504240513 is a prime.

It is not a weakly prime, because it can be changed into another prime (23045504240413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11522752120256 + 11522752120257.

It is an arithmetic number, because the mean of its divisors is an integer number (11522752120257).

Almost surely, 2^{23045504240513} is an apocalyptic number.

It is an amenable number.

23045504240513 is a deficient number, since it is larger than the sum of its proper divisors (1).

23045504240513 is an equidigital number, since it uses as much as digits as its factorization.

23045504240513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288000, while the sum is 38.

Adding to 23045504240513 its reverse (31504240554032), we get a palindrome (54549744794545).

The spelling of 23045504240513 in words is "twenty-three trillion, forty-five billion, five hundred four million, two hundred forty thousand, five hundred thirteen".