2323399680 has 528 divisors, whose sum is σ = 9633018240. Its totient is φ = 531062784.

The previous prime is 2323399643. The next prime is 2323399697. The reversal of 2323399680 is 869933232.

2323399680 is a `hidden beast` number, since 232 + 339 + 9 + 6 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 331914237 + ... + 331914243.

Almost surely, 2^2323399680 is an apocalyptic number.

2323399680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2323399680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4816509120).

2323399680 is an abundant number, since it is smaller than the sum of its proper divisors (7309618560).

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

2323399680 is an frugal number, since it uses more digits than its factorization.

2323399680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69 (or 17 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 45.

The square root of 2323399680 is about 48201.6564030740. The cubic root of 2323399680 is about 1324.4675074017.

The spelling of 2323399680 in words is "two billion, three hundred twenty-three million, three hundred ninety-nine thousand, six hundred eighty".