235005623143 has 4 divisors (see below), whose sum is σ = 242586449728. Its totient is φ = 227424796560.

The previous prime is 235005623137. The next prime is 235005623161. The reversal of 235005623143 is 341326500532.

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

It is a de Polignac number, because none of the positive numbers 2^k-235005623143 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 235005623099 and 235005623108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (235005623123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3790413246 + ... + 3790413307.

It is an arithmetic number, because the mean of its divisors is an integer number (60646612432).

Almost surely, 2^235005623143 is an apocalyptic number.

235005623143 is a deficient number, since it is larger than the sum of its proper divisors (7580826585).

235005623143 is an equidigital number, since it uses as much as digits as its factorization.

235005623143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7580826584.

The product of its (nonzero) digits is 64800, while the sum is 34.

The spelling of 235005623143 in words is "two hundred thirty-five billion, five million, six hundred twenty-three thousand, one hundred forty-three".