24123120231 has 16 divisors (see below), whose sum is σ = 36766803968. Its totient is φ = 13781728800.

The previous prime is 24123120227. The next prime is 24123120323. The reversal of 24123120231 is 13202132142.

It is not a de Polignac number, because 24123120231 - 2² = 24123120227 is a prime.

It is a super-2 number, since 2×24123120231² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 24123120198 and 24123120207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24123125231) 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, 17440 + ... + 220341.

It is an arithmetic number, because the mean of its divisors is an integer number (2297925248).

Almost surely, 2^24123120231 is an apocalyptic number.

24123120231 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

24123120231 is a deficient number, since it is larger than the sum of its proper divisors (12643683737).

24123120231 is a wasteful number, since it uses less digits than its factorization.

24123120231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242622.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 24123120231 its reverse (13202132142), we get a palindrome (37325252373).

The spelling of 24123120231 in words is "twenty-four billion, one hundred twenty-three million, one hundred twenty thousand, two hundred thirty-one".