24123042021 has 16 divisors (see below), whose sum is σ = 35225305920. Its totient is φ = 14593338240.

The previous prime is 24123042019. The next prime is 24123042023. The reversal of 24123042021 is 12024032142.

It is an interprime number because it is at equal distance from previous prime (24123042019) and next prime (24123042023).

It is not a de Polignac number, because 24123042021 - 2¹ = 24123042019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24123042023) 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 15 ways as a sum of consecutive naturals, for example, 5239560 + ... + 5244161.

It is an arithmetic number, because the mean of its divisors is an integer number (2201581620).

Almost surely, 2^24123042021 is an apocalyptic number.

It is an amenable number.

24123042021 is a deficient number, since it is larger than the sum of its proper divisors (11102263899).

24123042021 is a wasteful number, since it uses less digits than its factorization.

24123042021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10483796.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 24123042021 its reverse (12024032142), we get a palindrome (36147074163).

The spelling of 24123042021 in words is "twenty-four billion, one hundred twenty-three million, forty-two thousand, twenty-one".