23455523153 has 4 divisors (see below), whose sum is σ = 23840039988. Its totient is φ = 23071006320.

The previous prime is 23455523141. The next prime is 23455523167. The reversal of 23455523153 is 35132555432.

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 420783169 + 23034739984 = 20513^2 + 151772^2 .

It is a cyclic number.

It is not a de Polignac number, because 23455523153 - 2¹⁴ = 23455506769 is a prime.

It is a super-2 number, since 2×23455523153² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23455523353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192258326 + ... + 192258447.

It is an arithmetic number, because the mean of its divisors is an integer number (5960009997).

Almost surely, 2^23455523153 is an apocalyptic number.

It is an amenable number.

23455523153 is a deficient number, since it is larger than the sum of its proper divisors (384516835).

23455523153 is an equidigital number, since it uses as much as digits as its factorization.

23455523153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384516834.

The product of its digits is 270000, while the sum is 38.

The spelling of 23455523153 in words is "twenty-three billion, four hundred fifty-five million, five hundred twenty-three thousand, one hundred fifty-three".