8142235343 has 16 divisors (see below), whose sum is σ = 9279470592. Its totient is φ = 7076928000.

The previous prime is 8142235333. The next prime is 8142235403. The reversal of 8142235343 is 3435322418.

It is a de Polignac number, because none of the positive numbers 2^k-8142235343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8142235333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115538 + ... + 172143.

It is an arithmetic number, because the mean of its divisors is an integer number (579966912).

Almost surely, 2^8142235343 is an apocalyptic number.

8142235343 is a gapful number since it is divisible by the number (83) formed by its first and last digit.

8142235343 is a deficient number, since it is larger than the sum of its proper divisors (1137235249).

8142235343 is a wasteful number, since it uses less digits than its factorization.

8142235343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287806.

The product of its digits is 69120, while the sum is 35.

The square root of 8142235343 is about 90234.3357209438. The cubic root of 8142235343 is about 2011.7833848292.

The spelling of 8142235343 in words is "eight billion, one hundred forty-two million, two hundred thirty-five thousand, three hundred forty-three".