23555900347 has 4 divisors (see below), whose sum is σ = 26921028976. Its totient is φ = 20190771720.

The previous prime is 23555900339. The next prime is 23555900369. The reversal of 23555900347 is 74300955532.

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

It is not a de Polignac number, because 23555900347 - 2³ = 23555900339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23555900377) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1682564304 + ... + 1682564317.

It is an arithmetic number, because the mean of its divisors is an integer number (6730257244).

Almost surely, 2^23555900347 is an apocalyptic number.

23555900347 is a deficient number, since it is larger than the sum of its proper divisors (3365128629).

23555900347 is an equidigital number, since it uses as much as digits as its factorization.

23555900347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3365128628.

The product of its (nonzero) digits is 567000, while the sum is 43.

The spelling of 23555900347 in words is "twenty-three billion, five hundred fifty-five million, nine hundred thousand, three hundred forty-seven".