923629109 has 6 divisors (see below), whose sum is σ = 1000142946. Its totient is φ = 852580560.

The previous prime is 923629093. The next prime is 923629127. The reversal of 923629109 is 901926329.

It can be written as a sum of positive squares in 3 ways, for example, as 30217009 + 893412100 = 5497^2 + 29890^2 .

It is not a de Polignac number, because 923629109 - 2⁴ = 923629093 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 (923629199) 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 5 ways as a sum of consecutive naturals, for example, 2732462 + ... + 2732799.

It is an arithmetic number, because the mean of its divisors is an integer number (166690491).

Almost surely, 2^923629109 is an apocalyptic number.

It is an amenable number.

923629109 is a deficient number, since it is larger than the sum of its proper divisors (76513837).

923629109 is a wasteful number, since it uses less digits than its factorization.

923629109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5465287 (or 5465274 counting only the distinct ones).

The product of its (nonzero) digits is 52488, while the sum is 41.

The square root of 923629109 is about 30391.2669857642. The cubic root of 923629109 is about 973.8660001009.

The spelling of 923629109 in words is "nine hundred twenty-three million, six hundred twenty-nine thousand, one hundred nine".