2355423565 has 24 divisors (see below), whose sum is σ = 3150627552. Its totient is φ = 1676501280.

The previous prime is 2355423503. The next prime is 2355423569. The reversal of 2355423565 is 5653245532.

It is not a de Polignac number, because 2355423565 - 2¹⁵ = 2355390797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2355423569) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 111802 + ... + 131188.

It is an arithmetic number, because the mean of its divisors is an integer number (131276148).

Almost surely, 2^2355423565 is an apocalyptic number.

It is an amenable number.

2355423565 is a deficient number, since it is larger than the sum of its proper divisors (795203987).

2355423565 is a wasteful number, since it uses less digits than its factorization.

2355423565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19497 (or 19450 counting only the distinct ones).

The product of its digits is 540000, while the sum is 40.

The square root of 2355423565 is about 48532.7061372020. The cubic root of 2355423565 is about 1330.5248959895.

The spelling of 2355423565 in words is "two billion, three hundred fifty-five million, four hundred twenty-three thousand, five hundred sixty-five".