23066606442557 has 4 divisors (see below), whose sum is σ = 23069107981596. Its totient is φ = 23064104903520.

The previous prime is 23066606442497. The next prime is 23066606442559. The reversal of 23066606442557 is 75524460666032.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18521954193796 + 4544652248761 = 4303714^2 + 2131819^2 .

It is a cyclic number.

It is not a de Polignac number, because 23066606442557 - 2⁴⁰ = 21967094814781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23066606442559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1250755688 + ... + 1250774129.

It is an arithmetic number, because the mean of its divisors is an integer number (5767276995399).

Almost surely, 2^{23066606442557} is an apocalyptic number.

It is an amenable number.

23066606442557 is a deficient number, since it is larger than the sum of its proper divisors (2501539039).

23066606442557 is an equidigital number, since it uses as much as digits as its factorization.

23066606442557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2501539038.

The product of its (nonzero) digits is 43545600, while the sum is 56.

The spelling of 23066606442557 in words is "twenty-three trillion, sixty-six billion, six hundred six million, four hundred forty-two thousand, five hundred fifty-seven".