123141535343 has 4 divisors (see below), whose sum is σ = 123149130000. Its totient is φ = 123133940688.

The previous prime is 123141535313. The next prime is 123141535369. The reversal of 123141535343 is 343535141321.

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 123141535343 - 2³⁴ = 105961666159 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 (123141535313) 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, 3772955 + ... + 3805452.

It is an arithmetic number, because the mean of its divisors is an integer number (30787282500).

Almost surely, 2^123141535343 is an apocalyptic number.

123141535343 is a deficient number, since it is larger than the sum of its proper divisors (7594657).

123141535343 is an equidigital number, since it uses as much as digits as its factorization.

123141535343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7594656.

The product of its digits is 64800, while the sum is 35.

Adding to 123141535343 its reverse (343535141321), we get a palindrome (466676676664).

The spelling of 123141535343 in words is "one hundred twenty-three billion, one hundred forty-one million, five hundred thirty-five thousand, three hundred forty-three".