23035733360581 has 2 divisors, whose sum is σ = 23035733360582. Its totient is φ = 23035733360580.

The previous prime is 23035733360537. The next prime is 23035733360657. The reversal of 23035733360581 is 18506333753032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18017053622500 + 5018679738081 = 4244650^2 + 2240241^2 .

It is a cyclic number.

It is not a de Polignac number, because 23035733360581 - 2¹⁹ = 23035732836293 is a prime.

It is a super-2 number, since 2×23035733360581² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23035733360281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11517866680290 + 11517866680291.

It is an arithmetic number, because the mean of its divisors is an integer number (11517866680291).

Almost surely, 2^{23035733360581} is an apocalyptic number.

It is an amenable number.

23035733360581 is a deficient number, since it is larger than the sum of its proper divisors (1).

23035733360581 is an equidigital number, since it uses as much as digits as its factorization.

23035733360581 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4082400, while the sum is 49.

The spelling of 23035733360581 in words is "twenty-three trillion, thirty-five billion, seven hundred thirty-three million, three hundred sixty thousand, five hundred eighty-one".