609652823 has 16 divisors (see below), whose sum is σ = 663706176. Its totient is φ = 556657920.

The previous prime is 609652817. The next prime is 609652831. The reversal of 609652823 is 328256906.

It is not a de Polignac number, because 609652823 - 2⁴ = 609652807 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 (609652853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 572990 + ... + 574052.

It is an arithmetic number, because the mean of its divisors is an integer number (41481636).

Almost surely, 2^609652823 is an apocalyptic number.

609652823 is a deficient number, since it is larger than the sum of its proper divisors (54053353).

609652823 is a wasteful number, since it uses less digits than its factorization.

609652823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1514.

The product of its (nonzero) digits is 155520, while the sum is 41.

The square root of 609652823 is about 24691.1486772082. The cubic root of 609652823 is about 847.9316830977.

The spelling of 609652823 in words is "six hundred nine million, six hundred fifty-two thousand, eight hundred twenty-three".