24120123011 has 4 divisors (see below), whose sum is σ = 24121860000. Its totient is φ = 24118386024.

The previous prime is 24120123007. The next prime is 24120123019. The reversal of 24120123011 is 11032102142.

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

It is a cyclic number.

It is not a de Polignac number, because 24120123011 - 2² = 24120123007 is a prime.

It is a super-2 number, since 2×24120123011² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (24120123019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 847496 + ... + 875493.

It is an arithmetic number, because the mean of its divisors is an integer number (6030465000).

Almost surely, 2^24120123011 is an apocalyptic number.

24120123011 is a deficient number, since it is larger than the sum of its proper divisors (1736989).

24120123011 is a wasteful number, since it uses less digits than its factorization.

24120123011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1736988.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 24120123011 its reverse (11032102142), we get a palindrome (35152225153).

The spelling of 24120123011 in words is "twenty-four billion, one hundred twenty million, one hundred twenty-three thousand, eleven".