23235550161 has 4 divisors (see below), whose sum is σ = 30980733552. Its totient is φ = 15490366772.

The previous prime is 23235550159. The next prime is 23235550181. The reversal of 23235550161 is 16105553232.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23235550161 - 2¹ = 23235550159 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23235550141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3872591691 + ... + 3872591696.

It is an arithmetic number, because the mean of its divisors is an integer number (7745183388).

Almost surely, 2^23235550161 is an apocalyptic number.

It is an amenable number.

23235550161 is a deficient number, since it is larger than the sum of its proper divisors (7745183391).

23235550161 is an equidigital number, since it uses as much as digits as its factorization.

23235550161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7745183390.

The product of its (nonzero) digits is 27000, while the sum is 33.

The spelling of 23235550161 in words is "twenty-three billion, two hundred thirty-five million, five hundred fifty thousand, one hundred sixty-one".