155065323 has 32 divisors (see below), whose sum is σ = 240883200. Its totient is φ = 86904576.

The previous prime is 155065307. The next prime is 155065357. The reversal of 155065323 is 323560551.

It is not a de Polignac number, because 155065323 - 2⁴ = 155065307 is a prime.

It is not an unprimeable number, because it can be changed into a prime (155065123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 304393 + ... + 304901.

It is an arithmetic number, because the mean of its divisors is an integer number (7527600).

Almost surely, 2^155065323 is an apocalyptic number.

155065323 is a deficient number, since it is larger than the sum of its proper divisors (85817877).

155065323 is a wasteful number, since it uses less digits than its factorization.

155065323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771.

The product of its (nonzero) digits is 13500, while the sum is 30.

The square root of 155065323 is about 12452.5227564538. The cubic root of 155065323 is about 537.2439861010.

The spelling of 155065323 in words is "one hundred fifty-five million, sixty-five thousand, three hundred twenty-three".