124340213143 has 4 divisors (see below), whose sum is σ = 126043503808. Its totient is φ = 122636922480.

The previous prime is 124340213093. The next prime is 124340213149. The reversal of 124340213143 is 341312043421.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 341312043421 = 19 ⋅17963791759.

It is a cyclic number.

It is not a de Polignac number, because 124340213143 - 2¹⁷ = 124340082071 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 (124340213149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 851645223 + ... + 851645368.

It is an arithmetic number, because the mean of its divisors is an integer number (31510875952).

Almost surely, 2^124340213143 is an apocalyptic number.

124340213143 is a deficient number, since it is larger than the sum of its proper divisors (1703290665).

124340213143 is an equidigital number, since it uses as much as digits as its factorization.

124340213143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1703290664.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 124340213143 its reverse (341312043421), we get a palindrome (465652256564).

The spelling of 124340213143 in words is "one hundred twenty-four billion, three hundred forty million, two hundred thirteen thousand, one hundred forty-three".