923145284 has 24 divisors (see below), whose sum is σ = 1681498560. Its totient is φ = 442913184.

The previous prime is 923145277. The next prime is 923145317. The reversal of 923145284 is 482541329.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5504 + ... + 43319.

It is an arithmetic number, because the mean of its divisors is an integer number (70062440).

Almost surely, 2^923145284 is an apocalyptic number.

It is an amenable number.

923145284 is a deficient number, since it is larger than the sum of its proper divisors (758353276).

923145284 is a wasteful number, since it uses less digits than its factorization.

923145284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49019 (or 49017 counting only the distinct ones).

The product of its digits is 69120, while the sum is 38.

The square root of 923145284 is about 30383.3060083988. The cubic root of 923145284 is about 973.6959235302.

The spelling of 923145284 in words is "nine hundred twenty-three million, one hundred forty-five thousand, two hundred eighty-four".