12023224340 has 24 divisors (see below), whose sum is σ = 25253854920. Its totient is φ = 4808321408.

The previous prime is 12023224331. The next prime is 12023224349. The reversal of 12023224340 is 4342232021.

It is an interprime number because it is at equal distance from previous prime (12023224331) and next prime (12023224349).

It can be written as a sum of positive squares in 4 ways, for example, as 1733556496 + 10289667844 = 41636^2 + 101438^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12023224349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45854 + ... + 161706.

It is an arithmetic number, because the mean of its divisors is an integer number (1052243955).

Almost surely, 2^12023224340 is an apocalyptic number.

12023224340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12023224340 is an abundant number, since it is smaller than the sum of its proper divisors (13230630580).

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

12023224340 is a wasteful number, since it uses less digits than its factorization.

12023224340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121051 (or 121049 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 12023224340 its reverse (4342232021), we get a palindrome (16365456361).

The spelling of 12023224340 in words is "twelve billion, twenty-three million, two hundred twenty-four thousand, three hundred forty".