235643253323 has 4 divisors (see below), whose sum is σ = 235896906840. Its totient is φ = 235389599808.

The previous prime is 235643253317. The next prime is 235643253341. The reversal of 235643253323 is 323352346532.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 235643253323 - 2¹² = 235643249227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (235673253323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126825365 + ... + 126827222.

It is an arithmetic number, because the mean of its divisors is an integer number (58974226710).

Almost surely, 2^235643253323 is an apocalyptic number.

235643253323 is a deficient number, since it is larger than the sum of its proper divisors (253653517).

235643253323 is an equidigital number, since it uses as much as digits as its factorization.

235643253323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253653516.

The product of its digits is 1166400, while the sum is 41.

Adding to 235643253323 its reverse (323352346532), we get a palindrome (558995599855).

The spelling of 235643253323 in words is "two hundred thirty-five billion, six hundred forty-three million, two hundred fifty-three thousand, three hundred twenty-three".