23840719641 has 24 divisors (see below), whose sum is σ = 36534031560. Its totient is φ = 14929445376.

The previous prime is 23840719631. The next prime is 23840719681. The reversal of 23840719641 is 14691704832.

23840719641 is a `hidden beast` number, since 238 + 407 + 1 + 9 + 6 + 4 + 1 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 18341014041 + 5499705600 = 135429^2 + 74160^2 .

It is a de Polignac number, because none of the positive numbers 2^k-23840719641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23840719631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75190 + ... + 230943.

It is an arithmetic number, because the mean of its divisors is an integer number (1522251315).

Almost surely, 2^23840719641 is an apocalyptic number.

It is an amenable number.

23840719641 is a deficient number, since it is larger than the sum of its proper divisors (12693311919).

23840719641 is a wasteful number, since it uses less digits than its factorization.

23840719641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306665 (or 306662 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 23840719641 in words is "twenty-three billion, eight hundred forty million, seven hundred nineteen thousand, six hundred forty-one".