2312430423220 has 144 divisors (see below), whose sum is σ = 5187730665600. Its totient is φ = 863441130240.

The previous prime is 2312430423181. The next prime is 2312430423227. The reversal of 2312430423220 is 223240342132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2312430423227) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2179481490 + ... + 2179482550.

It is an arithmetic number, because the mean of its divisors is an integer number (36025907400).

Almost surely, 2^{2312430423220} is an apocalyptic number.

2312430423220 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 2312430423220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2593865332800).

2312430423220 is an abundant number, since it is smaller than the sum of its proper divisors (2875300242380).

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

2312430423220 is a wasteful number, since it uses less digits than its factorization.

2312430423220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2166 (or 2085 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 2312430423220 its reverse (223240342132), we get a palindrome (2535670765352).

The spelling of 2312430423220 in words is "two trillion, three hundred twelve billion, four hundred thirty million, four hundred twenty-three thousand, two hundred twenty".