124423889117 has 16 divisors (see below), whose sum is σ = 151283764800. Its totient is φ = 100855837440.

The previous prime is 124423889111. The next prime is 124423889141. The reversal of 124423889117 is 711988324421.

It is a happy number.

It is not a de Polignac number, because 124423889117 - 2⁸ = 124423888861 is a prime.

It is a super-2 number, since 2×124423889117² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124423889111) 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, 17506142 + ... + 17513247.

It is an arithmetic number, because the mean of its divisors is an integer number (9455235300).

Almost surely, 2^124423889117 is an apocalyptic number.

124423889117 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

124423889117 is a deficient number, since it is larger than the sum of its proper divisors (26859875683).

124423889117 is a wasteful number, since it uses less digits than its factorization.

124423889117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35019436.

The product of its digits is 774144, while the sum is 50.

The spelling of 124423889117 in words is "one hundred twenty-four billion, four hundred twenty-three million, eight hundred eighty-nine thousand, one hundred seventeen".