23940191896 has 16 divisors (see below), whose sum is σ = 45241309440. Its totient is φ = 11875842720.

The previous prime is 23940191893. The next prime is 23940191923. The reversal of 23940191896 is 69819104932.

It is a super-3 number, since 3×23940191896³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23940191893) 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 3 ways as a sum of consecutive naturals, for example, 11780575 + ... + 11782606.

It is an arithmetic number, because the mean of its divisors is an integer number (2827581840).

Almost surely, 2^23940191896 is an apocalyptic number.

It is an amenable number.

23940191896 is a deficient number, since it is larger than the sum of its proper divisors (21301117544).

23940191896 is a wasteful number, since it uses less digits than its factorization.

23940191896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23563314 (or 23563310 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 52.

The spelling of 23940191896 in words is "twenty-three billion, nine hundred forty million, one hundred ninety-one thousand, eight hundred ninety-six".