655566023 has 8 divisors (see below), whose sum is σ = 749992992. Its totient is φ = 561332736.

The previous prime is 655566017. The next prime is 655566049. The reversal of 655566023 is 320665556.

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 655566023 - 2⁴ = 655566007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655566323) 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, 41090 + ... + 54767.

It is an arithmetic number, because the mean of its divisors is an integer number (93749124).

Almost surely, 2^655566023 is an apocalyptic number.

655566023 is a deficient number, since it is larger than the sum of its proper divisors (94426969).

655566023 is an equidigital number, since it uses as much as digits as its factorization.

655566023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96841.

The product of its (nonzero) digits is 162000, while the sum is 38.

The square root of 655566023 is about 25604.0235705250. The cubic root of 655566023 is about 868.7046486824.

The spelling of 655566023 in words is "six hundred fifty-five million, five hundred sixty-six thousand, twenty-three".