12023324040 has 192 divisors, whose sum is σ = 45186845760. Its totient is φ = 2536773120.

The previous prime is 12023324029. The next prime is 12023324077. The reversal of 12023324040 is 4042332021.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 12023323998 and 12023324016.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2206 + ... + 155085.

It is an arithmetic number, because the mean of its divisors is an integer number (235348155).

Almost surely, 2^12023324040 is an apocalyptic number.

12023324040 is a gapful number since it is divisible by the number (10) 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 12023324040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22593422880).

12023324040 is an abundant number, since it is smaller than the sum of its proper divisors (33163521720).

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

12023324040 is a wasteful number, since it uses less digits than its factorization.

12023324040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157332 (or 157321 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 12023324040 its reverse (4042332021), we get a palindrome (16065656061).

The spelling of 12023324040 in words is "twelve billion, twenty-three million, three hundred twenty-four thousand, forty".