923099664 has 80 divisors (see below), whose sum is σ = 2493840384. Its totient is φ = 293673600.

The previous prime is 923099651. The next prime is 923099713. The reversal of 923099664 is 466990329.

It is a super-2 number, since 2×923099664² = 1704225979353825792, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

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 15 ways as a sum of consecutive naturals, for example, 894829 + ... + 895859.

Almost surely, 2^923099664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 923099664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1246920192).

923099664 is an abundant number, since it is smaller than the sum of its proper divisors (1570740720).

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

923099664 is a wasteful number, since it uses less digits than its factorization.

923099664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1876 (or 1870 counting only the distinct ones).

The product of its (nonzero) digits is 629856, while the sum is 48.

The square root of 923099664 is about 30382.5552579107. Note that the first 3 decimals coincide. The cubic root of 923099664 is about 973.6798838953.

The spelling of 923099664 in words is "nine hundred twenty-three million, ninety-nine thousand, six hundred sixty-four".