2623232665 has 4 divisors (see below), whose sum is σ = 3147879204. Its totient is φ = 2098586128.

The previous prime is 2623232659. The next prime is 2623232681. The reversal of 2623232665 is 5662323262.

It is a happy number.

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 1558907289 + 1064325376 = 39483^2 + 32624^2 .

It is a cyclic number.

It is not a de Polignac number, because 2623232665 - 2⁷ = 2623232537 is a prime.

It is a super-2 number, since 2×2623232665² = 13762699229446004450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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, 262323262 + ... + 262323271.

It is an arithmetic number, because the mean of its divisors is an integer number (786969801).

Almost surely, 2^2623232665 is an apocalyptic number.

It is an amenable number.

2623232665 is a deficient number, since it is larger than the sum of its proper divisors (524646539).

2623232665 is an equidigital number, since it uses as much as digits as its factorization.

2623232665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524646538.

The product of its digits is 155520, while the sum is 37.

The square root of 2623232665 is about 51217.5035022208. The cubic root of 2623232665 is about 1379.1524349877.

The spelling of 2623232665 in words is "two billion, six hundred twenty-three million, two hundred thirty-two thousand, six hundred sixty-five".