656541323 has 8 divisors (see below), whose sum is σ = 673048656. Its totient is φ = 640057600.

The previous prime is 656541313. The next prime is 656541349. The reversal of 656541323 is 323145656.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 656541323 - 2¹² = 656537227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (656541313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59315 + ... + 69507.

It is an arithmetic number, because the mean of its divisors is an integer number (84131082).

Almost surely, 2^656541323 is an apocalyptic number.

656541323 is a deficient number, since it is larger than the sum of its proper divisors (16507333).

656541323 is a wasteful number, since it uses less digits than its factorization.

656541323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11805.

The product of its digits is 64800, while the sum is 35.

The square root of 656541323 is about 25623.0623267399. The cubic root of 656541323 is about 869.1352322314.

Adding to 656541323 its reverse (323145656), we get a palindrome (979686979).

The spelling of 656541323 in words is "six hundred fifty-six million, five hundred forty-one thousand, three hundred twenty-three".