2310423840 has 72 divisors (see below), whose sum is σ = 7884326268. Its totient is φ = 616112640.

The previous prime is 2310423781. The next prime is 2310423847. The reversal of 2310423840 is 483240132.

2310423840 is a `hidden beast` number, since 231 + 0 + 423 + 8 + 4 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2282163984 + 28259856 = 47772^2 + 5316^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is not an unprimeable number, because it can be changed into a prime (2310423847) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 800791 + ... + 803670.

Almost surely, 2^2310423840 is an apocalyptic number.

2310423840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2310423840 is an abundant number, since it is smaller than the sum of its proper divisors (5573902428).

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

2310423840 is a wasteful number, since it uses less digits than its factorization.

2310423840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1604482 (or 1604471 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 2310423840 is about 48066.8684230625. The cubic root of 2310423840 is about 1321.9972519765.

Adding to 2310423840 its reverse (483240132), we get a palindrome (2793663972).

The spelling of 2310423840 in words is "two billion, three hundred ten million, four hundred twenty-three thousand, eight hundred forty".