923257505 has 16 divisors (see below), whose sum is σ = 1174466304. Its totient is φ = 694337280.

The previous prime is 923257501. The next prime is 923257537. The reversal of 923257505 is 505752329.

923257505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 923257505 - 2² = 923257501 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (923257501) 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, 71474 + ... + 83396.

It is an arithmetic number, because the mean of its divisors is an integer number (73404144).

Almost surely, 2^923257505 is an apocalyptic number.

It is an amenable number.

923257505 is a deficient number, since it is larger than the sum of its proper divisors (251208799).

923257505 is a wasteful number, since it uses less digits than its factorization.

923257505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12856.

The product of its (nonzero) digits is 94500, while the sum is 38.

The square root of 923257505 is about 30385.1527065440. The cubic root of 923257505 is about 973.7353773065.

The spelling of 923257505 in words is "nine hundred twenty-three million, two hundred fifty-seven thousand, five hundred five".