235455042143 has 4 divisors (see below), whose sum is σ = 236899551768. Its totient is φ = 234010532520.

The previous prime is 235455042127. The next prime is 235455042239. The reversal of 235455042143 is 341240554532.

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 235455042143 - 2⁴ = 235455042127 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 235455042097 and 235455042106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (235455042113) 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, 722254568 + ... + 722254893.

It is an arithmetic number, because the mean of its divisors is an integer number (59224887942).

Almost surely, 2^235455042143 is an apocalyptic number.

235455042143 is a deficient number, since it is larger than the sum of its proper divisors (1444509625).

235455042143 is a wasteful number, since it uses less digits than its factorization.

235455042143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1444509624.

The product of its (nonzero) digits is 288000, while the sum is 38.

Adding to 235455042143 its reverse (341240554532), we get a palindrome (576695596675).

The spelling of 235455042143 in words is "two hundred thirty-five billion, four hundred fifty-five million, forty-two thousand, one hundred forty-three".