23851384193 has 16 divisors (see below), whose sum is σ = 29359376256. Its totient is φ = 18868965120.

The previous prime is 23851384189. The next prime is 23851384241. The reversal of 23851384193 is 39148315832.

It is a cyclic number.

It is not a de Polignac number, because 23851384193 - 2² = 23851384189 is a prime.

It is a super-2 number, since 2×23851384193² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23851384103) 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, 1047338 + ... + 1069868.

It is an arithmetic number, because the mean of its divisors is an integer number (1834961016).

Almost surely, 2^23851384193 is an apocalyptic number.

It is an amenable number.

23851384193 is a deficient number, since it is larger than the sum of its proper divisors (5507992063).

23851384193 is a wasteful number, since it uses less digits than its factorization.

23851384193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34184.

The product of its digits is 622080, while the sum is 47.

The spelling of 23851384193 in words is "twenty-three billion, eight hundred fifty-one million, three hundred eighty-four thousand, one hundred ninety-three".