923051149 has 4 divisors (see below), whose sum is σ = 923112540. Its totient is φ = 922989760.

The previous prime is 923051147. The next prime is 923051167. The reversal of 923051149 is 941150329.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 941150329 = 7 ⋅134450047.

It can be written as a sum of positive squares in 2 ways, for example, as 894428649 + 28622500 = 29907^2 + 5350^2 .

It is a cyclic number.

It is not a de Polignac number, because 923051149 - 2¹ = 923051147 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (923051147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8787 + ... + 43855.

It is an arithmetic number, because the mean of its divisors is an integer number (230778135).

Almost surely, 2^923051149 is an apocalyptic number.

It is an amenable number.

923051149 is a deficient number, since it is larger than the sum of its proper divisors (61391).

923051149 is a wasteful number, since it uses less digits than its factorization.

923051149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61390.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 923051149 is about 30381.7568451859. The cubic root of 923051149 is about 973.6628258213.

The spelling of 923051149 in words is "nine hundred twenty-three million, fifty-one thousand, one hundred forty-nine".