23407082161 has 4 divisors (see below), whose sum is σ = 23407456500. Its totient is φ = 23406707824.

The previous prime is 23407082143. The next prime is 23407082197. The reversal of 23407082161 is 16128070432.

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 12135225600 + 11271856561 = 110160^2 + 106169^2 .

It is a cyclic number.

It is not a de Polignac number, because 23407082161 - 2¹³ = 23407073969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23407082131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68146 + ... + 226843.

It is an arithmetic number, because the mean of its divisors is an integer number (5851864125).

Almost surely, 2^23407082161 is an apocalyptic number.

It is an amenable number.

23407082161 is a deficient number, since it is larger than the sum of its proper divisors (374339).

23407082161 is an equidigital number, since it uses as much as digits as its factorization.

23407082161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374338.

The product of its (nonzero) digits is 16128, while the sum is 34.

The spelling of 23407082161 in words is "twenty-three billion, four hundred seven million, eighty-two thousand, one hundred sixty-one".