124431540023 has 32 divisors (see below), whose sum is σ = 146559684096. Its totient is φ = 103456217088.

The previous prime is 124431540019. The next prime is 124431540029. The reversal of 124431540023 is 320045134421.

It is not a de Polignac number, because 124431540023 - 2² = 124431540019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124431540029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7016015 + ... + 7033727.

It is an arithmetic number, because the mean of its divisors is an integer number (4579990128).

Almost surely, 2^124431540023 is an apocalyptic number.

124431540023 is a deficient number, since it is larger than the sum of its proper divisors (22128144073).

124431540023 is a wasteful number, since it uses less digits than its factorization.

124431540023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18023.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 124431540023 its reverse (320045134421), we get a palindrome (444476674444).

The spelling of 124431540023 in words is "one hundred twenty-four billion, four hundred thirty-one million, five hundred forty thousand, twenty-three".