23641145442 has 24 divisors (see below), whose sum is σ = 51235804620. Its totient is φ = 7878332160.

The previous prime is 23641145417. The next prime is 23641145443. The reversal of 23641145442 is 24454114632.

23641145442 is a `hidden beast` number, since 2 + 3 + 641 + 1 + 4 + 5 + 4 + 4 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 21921467481 + 1719677961 = 148059^2 + 41469^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23641145397 and 23641145406.

It is not an unprimeable number, because it can be changed into a prime (23641145443) 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 11 ways as a sum of consecutive naturals, for example, 98859 + ... + 238862.

Almost surely, 2^23641145442 is an apocalyptic number.

23641145442 is an abundant number, since it is smaller than the sum of its proper divisors (27594659178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23641145442 is a wasteful number, since it uses less digits than its factorization.

23641145442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341618 (or 341615 counting only the distinct ones).

The product of its digits is 92160, while the sum is 36.

The spelling of 23641145442 in words is "twenty-three billion, six hundred forty-one million, one hundred forty-five thousand, four hundred forty-two".