923129112 has 16 divisors (see below), whose sum is σ = 2307822840. Its totient is φ = 307709696.

The previous prime is 923129107. The next prime is 923129113. The reversal of 923129112 is 211921329.

It is a self number, because there is not a number n which added to its sum of digits gives 923129112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (923129113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19231833 + ... + 19231880.

Almost surely, 2^923129112 is an apocalyptic number.

It is an amenable number.

923129112 is an abundant number, since it is smaller than the sum of its proper divisors (1384693728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

923129112 is a wasteful number, since it uses less digits than its factorization.

923129112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38463722 (or 38463718 counting only the distinct ones).

The product of its digits is 1944, while the sum is 30.

The square root of 923129112 is about 30383.0398742456. The cubic root of 923129112 is about 973.6902376420.

The spelling of 923129112 in words is "nine hundred twenty-three million, one hundred twenty-nine thousand, one hundred twelve".