2303312400 has 180 divisors, whose sum is σ = 8251376640. Its totient is φ = 594374400.

The previous prime is 2303312381. The next prime is 2303312441. The reversal of 2303312400 is 42133032.

2303312400 is a `hidden beast` number, since 230 + 3 + 31 + 2 + 400 = 666.

It is a tau number, because it is divible by the number of its divisors (180).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 101281 + ... + 121919.

Almost surely, 2^2303312400 is an apocalyptic number.

2303312400 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 2303312400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4125688320).

2303312400 is an abundant number, since it is smaller than the sum of its proper divisors (5948064240).

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

2303312400 is a wasteful number, since it uses less digits than its factorization.

2303312400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20694 (or 20680 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 2303312400 is about 47992.8369655306. The cubic root of 2303312400 is about 1320.6394972968.

Adding to 2303312400 its reverse (42133032), we get a palindrome (2345445432).

The spelling of 2303312400 in words is "two billion, three hundred three million, three hundred twelve thousand, four hundred".