23235550181 has 2 divisors, whose sum is σ = 23235550182. Its totient is φ = 23235550180.

The previous prime is 23235550159. The next prime is 23235550193. The reversal of 23235550181 is 18105553232.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16437547681 + 6798002500 = 128209^2 + 82450^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23235550181 is a prime.

It is a super-2 number, since 2×23235550181² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23235550141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11617775090 + 11617775091.

It is an arithmetic number, because the mean of its divisors is an integer number (11617775091).

Almost surely, 2^23235550181 is an apocalyptic number.

It is an amenable number.

23235550181 is a deficient number, since it is larger than the sum of its proper divisors (1).

23235550181 is an equidigital number, since it uses as much as digits as its factorization.

23235550181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36000, while the sum is 35.

The spelling of 23235550181 in words is "twenty-three billion, two hundred thirty-five million, five hundred fifty thousand, one hundred eighty-one".