23744685513 has 8 divisors (see below), whose sum is σ = 33036084288. Its totient is φ = 15141538544.

The previous prime is 23744685487. The next prime is 23744685533. The reversal of 23744685513 is 31558644732.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23744685513 - 2¹⁸ = 23744423369 is a prime.

It is a super-2 number, since 2×23744685513² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23744685533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172062870 + ... + 172063007.

It is an arithmetic number, because the mean of its divisors is an integer number (4129510536).

Almost surely, 2^23744685513 is an apocalyptic number.

23744685513 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

23744685513 is a deficient number, since it is larger than the sum of its proper divisors (9291398775).

23744685513 is a wasteful number, since it uses less digits than its factorization.

23744685513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344125903.

The product of its digits is 2419200, while the sum is 48.

The spelling of 23744685513 in words is "twenty-three billion, seven hundred forty-four million, six hundred eighty-five thousand, five hundred thirteen".