23521353353 has 2 divisors, whose sum is σ = 23521353354. Its totient is φ = 23521353352.

The previous prime is 23521353347. The next prime is 23521353367. The reversal of 23521353353 is 35335312532.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19153729609 + 4367623744 = 138397^2 + 66088^2 .

It is a cyclic number.

It is not a de Polignac number, because 23521353353 - 2¹⁶ = 23521287817 is a prime.

It is not a weakly prime, because it can be changed into another prime (23521353343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11760676676 + 11760676677.

It is an arithmetic number, because the mean of its divisors is an integer number (11760676677).

Almost surely, 2^23521353353 is an apocalyptic number.

It is an amenable number.

23521353353 is a deficient number, since it is larger than the sum of its proper divisors (1).

23521353353 is an equidigital number, since it uses as much as digits as its factorization.

23521353353 is an evil number, because the sum of its binary digits is even.

The product of its digits is 121500, while the sum is 35.

Adding to 23521353353 its reverse (35335312532), we get a palindrome (58856665885).

The spelling of 23521353353 in words is "twenty-three billion, five hundred twenty-one million, three hundred fifty-three thousand, three hundred fifty-three".