505615323 has 16 divisors (see below), whose sum is σ = 693044000. Its totient is φ = 327649536.

The previous prime is 505615277. The next prime is 505615367. The reversal of 505615323 is 323516505.

It is not a de Polignac number, because 505615323 - 2¹⁴ = 505598939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (505615373) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 182553 + ... + 185301.

It is an arithmetic number, because the mean of its divisors is an integer number (43315250).

Almost surely, 2^505615323 is an apocalyptic number.

505615323 is a deficient number, since it is larger than the sum of its proper divisors (187428677).

505615323 is a wasteful number, since it uses less digits than its factorization.

505615323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4446.

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

The square root of 505615323 is about 22485.8916434283. The cubic root of 505615323 is about 796.6607283705.

The spelling of 505615323 in words is "five hundred five million, six hundred fifteen thousand, three hundred twenty-three".