99923112 has 32 divisors (see below), whose sum is σ = 277564800. Its totient is φ = 33307632.

The previous prime is 99923107. The next prime is 99923141. The reversal of 99923112 is 21132999.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 231088 + ... + 231519.

It is an arithmetic number, because the mean of its divisors is an integer number (8673900).

Almost surely, 2^99923112 is an apocalyptic number.

It is an amenable number.

99923112 is an abundant number, since it is smaller than the sum of its proper divisors (177641688).

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

99923112 is a wasteful number, since it uses less digits than its factorization.

99923112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462622 (or 462612 counting only the distinct ones).

The product of its digits is 8748, while the sum is 36.

The square root of 99923112 is about 9996.1548607452. The cubic root of 99923112 is about 464.0398920320.

The spelling of 99923112 in words is "ninety-nine million, nine hundred twenty-three thousand, one hundred twelve".