23521160653 has 2 divisors, whose sum is σ = 23521160654. Its totient is φ = 23521160652.

The previous prime is 23521160629. The next prime is 23521160681. The reversal of 23521160653 is 35606112532.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22455921609 + 1065239044 = 149853^2 + 32638^2 .

It is a cyclic number.

It is not a de Polignac number, because 23521160653 - 2²⁵ = 23487606221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23521160683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11760580326 + 11760580327.

It is an arithmetic number, because the mean of its divisors is an integer number (11760580327).

Almost surely, 2^23521160653 is an apocalyptic number.

It is an amenable number.

23521160653 is a deficient number, since it is larger than the sum of its proper divisors (1).

23521160653 is an equidigital number, since it uses as much as digits as its factorization.

23521160653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32400, while the sum is 34.

The spelling of 23521160653 in words is "twenty-three billion, five hundred twenty-one million, one hundred sixty thousand, six hundred fifty-three".