124021042323443 has 4 divisors (see below), whose sum is σ = 124021119165480. Its totient is φ = 124020965481408.

The previous prime is 124021042323371. The next prime is 124021042323487. The reversal of 124021042323443 is 344323240120421.

It is a happy number.

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 124021042323443 - 2¹² = 124021042319347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124021042353443) 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, 35946953 + ... + 39245706.

It is an arithmetic number, because the mean of its divisors is an integer number (31005279791370).

Almost surely, 2^{124021042323443} is an apocalyptic number.

124021042323443 is a deficient number, since it is larger than the sum of its proper divisors (76842037).

124021042323443 is an equidigital number, since it uses as much as digits as its factorization.

124021042323443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76842036.

The product of its (nonzero) digits is 110592, while the sum is 35.

Adding to 124021042323443 its reverse (344323240120421), we get a palindrome (468344282443864).

The spelling of 124021042323443 in words is "one hundred twenty-four trillion, twenty-one billion, forty-two million, three hundred twenty-three thousand, four hundred forty-three".