23020141524521 has 2 divisors, whose sum is σ = 23020141524522. Its totient is φ = 23020141524520.

The previous prime is 23020141524427. The next prime is 23020141524559. The reversal of 23020141524521 is 12542514102032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16410511878121 + 6609629646400 = 4050989^2 + 2570920^2 .

It is a cyclic number.

It is not a de Polignac number, because 23020141524521 - 2¹⁰ = 23020141523497 is a prime.

It is not a weakly prime, because it can be changed into another prime (23020141524581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11510070762260 + 11510070762261.

It is an arithmetic number, because the mean of its divisors is an integer number (11510070762261).

Almost surely, 2^{23020141524521} is an apocalyptic number.

It is an amenable number.

23020141524521 is a deficient number, since it is larger than the sum of its proper divisors (1).

23020141524521 is an equidigital number, since it uses as much as digits as its factorization.

23020141524521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 23020141524521 its reverse (12542514102032), we get a palindrome (35562655626553).

The spelling of 23020141524521 in words is "twenty-three trillion, twenty billion, one hundred forty-one million, five hundred twenty-four thousand, five hundred twenty-one".