23447790353 has 4 divisors (see below), whose sum is σ = 25251466548. Its totient is φ = 21644114160.

The previous prime is 23447790347. The next prime is 23447790361. The reversal of 23447790353 is 35309774432.

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 15052099969 + 8395690384 = 122687^2 + 91628^2 .

It is a cyclic number.

It is not a de Polignac number, because 23447790353 - 2⁴ = 23447790337 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23447790298 and 23447790307.

It is not an unprimeable number, because it can be changed into a prime (23447790853) 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, 901838078 + ... + 901838103.

It is an arithmetic number, because the mean of its divisors is an integer number (6312866637).

Almost surely, 2^23447790353 is an apocalyptic number.

It is an amenable number.

23447790353 is a deficient number, since it is larger than the sum of its proper divisors (1803676195).

23447790353 is a wasteful number, since it uses less digits than its factorization.

23447790353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1803676194.

The product of its (nonzero) digits is 1905120, while the sum is 47.

The spelling of 23447790353 in words is "twenty-three billion, four hundred forty-seven million, seven hundred ninety thousand, three hundred fifty-three".