124023430211 has 4 divisors (see below), whose sum is σ = 124043449872. Its totient is φ = 124003410552.

The previous prime is 124023430177. The next prime is 124023430229. The reversal of 124023430211 is 112034320421.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124023430211 is a prime.

It is a super-2 number, since 2×124023430211² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124023430231) 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, 10000535 + ... + 10012928.

It is an arithmetic number, because the mean of its divisors is an integer number (31010862468).

Almost surely, 2^124023430211 is an apocalyptic number.

124023430211 is a deficient number, since it is larger than the sum of its proper divisors (20019661).

124023430211 is an equidigital number, since it uses as much as digits as its factorization.

124023430211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20019660.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 124023430211 its reverse (112034320421), we get a palindrome (236057750632).

The spelling of 124023430211 in words is "one hundred twenty-four billion, twenty-three million, four hundred thirty thousand, two hundred eleven".