232306191653 has 2 divisors, whose sum is σ = 232306191654. Its totient is φ = 232306191652.

The previous prime is 232306191641. The next prime is 232306191697. The reversal of 232306191653 is 356191603232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 232292189089 + 14002564 = 481967^2 + 3742^2 .

It is a cyclic number.

It is not a de Polignac number, because 232306191653 - 2¹² = 232306187557 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 232306191653.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (232306191613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116153095826 + 116153095827.

It is an arithmetic number, because the mean of its divisors is an integer number (116153095827).

Almost surely, 2^232306191653 is an apocalyptic number.

It is an amenable number.

232306191653 is a deficient number, since it is larger than the sum of its proper divisors (1).

232306191653 is an equidigital number, since it uses as much as digits as its factorization.

232306191653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 174960, while the sum is 41.

Adding to 232306191653 its reverse (356191603232), we get a palindrome (588497794885).

The spelling of 232306191653 in words is "two hundred thirty-two billion, three hundred six million, one hundred ninety-one thousand, six hundred fifty-three".