23984729919 has 12 divisors (see below), whose sum is σ = 34818706000. Its totient is φ = 15909467904.

The previous prime is 23984729903. The next prime is 23984729953. The reversal of 23984729919 is 91992748932.

It is not a de Polignac number, because 23984729919 - 2⁴ = 23984729903 is a prime.

It is a super-2 number, since 2×23984729919² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23984729519) 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 11 ways as a sum of consecutive naturals, for example, 6694114 + ... + 6697695.

Almost surely, 2^23984729919 is an apocalyptic number.

23984729919 is a deficient number, since it is larger than the sum of its proper divisors (10833976081).

23984729919 is a wasteful number, since it uses less digits than its factorization.

23984729919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13392014 (or 13392011 counting only the distinct ones).

The product of its digits is 17635968, while the sum is 63.

The spelling of 23984729919 in words is "twenty-three billion, nine hundred eighty-four million, seven hundred twenty-nine thousand, nine hundred nineteen".