23449851445 has 4 divisors (see below), whose sum is σ = 28139821740. Its totient is φ = 18759881152.

The previous prime is 23449851409. The next prime is 23449851479. The reversal of 23449851445 is 54415894432.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12850943044 + 10598908401 = 113362^2 + 102951^2 .

It is a cyclic number.

It is not a de Polignac number, because 23449851445 - 2⁷ = 23449851317 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2344985140 + ... + 2344985149.

It is an arithmetic number, because the mean of its divisors is an integer number (7034955435).

Almost surely, 2^23449851445 is an apocalyptic number.

It is an amenable number.

23449851445 is a deficient number, since it is larger than the sum of its proper divisors (4689970295).

23449851445 is an equidigital number, since it uses as much as digits as its factorization.

23449851445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4689970294.

The product of its digits is 2764800, while the sum is 49.

The spelling of 23449851445 in words is "twenty-three billion, four hundred forty-nine million, eight hundred fifty-one thousand, four hundred forty-five".