655330723 has 4 divisors (see below), whose sum is σ = 661819248. Its totient is φ = 648842200.

The previous prime is 655330721. The next prime is 655330727. The reversal of 655330723 is 327033556.

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

It is a cyclic number.

It is not a de Polignac number, because 655330723 - 2¹ = 655330721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (655330721) 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, 3244111 + ... + 3244312.

It is an arithmetic number, because the mean of its divisors is an integer number (165454812).

Almost surely, 2^655330723 is an apocalyptic number.

655330723 is a deficient number, since it is larger than the sum of its proper divisors (6488525).

655330723 is a wasteful number, since it uses less digits than its factorization.

655330723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6488524.

The product of its (nonzero) digits is 56700, while the sum is 34.

The square root of 655330723 is about 25599.4281772074. The cubic root of 655330723 is about 868.6007025467.

The spelling of 655330723 in words is "six hundred fifty-five million, three hundred thirty thousand, seven hundred twenty-three".