2423145309228 has 144 divisors (see below), whose sum is σ = 7285121742080. Its totient is φ = 689880297024.

The previous prime is 2423145309209. The next prime is 2423145309241. The reversal of 2423145309228 is 8229035413242.

2423145309228 is a `hidden beast` number, since 2 + 4 + 2 + 3 + 1 + 4 + 530 + 92 + 28 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1296318 + ... + 2554746.

Almost surely, 2^{2423145309228} is an apocalyptic number.

2423145309228 is a gapful number since it is divisible by the number (28) 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 2423145309228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3642560871040).

2423145309228 is an abundant number, since it is smaller than the sum of its proper divisors (4861976432852).

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

2423145309228 is a wasteful number, since it uses less digits than its factorization.

2423145309228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1258738 (or 1258724 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 45.

The spelling of 2423145309228 in words is "two trillion, four hundred twenty-three billion, one hundred forty-five million, three hundred nine thousand, two hundred twenty-eight".