355565023 has 4 divisors (see below), whose sum is σ = 387889128. Its totient is φ = 323240920.

The previous prime is 355565003. The next prime is 355565029. The reversal of 355565023 is 320565553.

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 355565023 - 2⁵ = 355564991 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 355565023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (355565029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16162036 + ... + 16162057.

It is an arithmetic number, because the mean of its divisors is an integer number (96972282).

Almost surely, 2^355565023 is an apocalyptic number.

355565023 is a deficient number, since it is larger than the sum of its proper divisors (32324105).

355565023 is a wasteful number, since it uses less digits than its factorization.

355565023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32324104.

The product of its (nonzero) digits is 67500, while the sum is 34.

The square root of 355565023 is about 18856.4318735014. The cubic root of 355565023 is about 708.4453339790.

The spelling of 355565023 in words is "three hundred fifty-five million, five hundred sixty-five thousand, twenty-three".