12023320232040 has 64 divisors (see below), whose sum is σ = 38844573062400. Its totient is φ = 2959586518272.

The previous prime is 12023320232039. The next prime is 12023320232081. The reversal of 12023320232040 is 4023202332021.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 12023320232040.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3853626720 + ... + 3853629839.

It is an arithmetic number, because the mean of its divisors is an integer number (606946454100).

Almost surely, 2^{12023320232040} is an apocalyptic number.

12023320232040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12023320232040 is an abundant number, since it is smaller than the sum of its proper divisors (26821252830360).

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

12023320232040 is a wasteful number, since it uses less digits than its factorization.

12023320232040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7707256586 (or 7707256582 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 12023320232040 its reverse (4023202332021), we get a palindrome (16046522564061).

The spelling of 12023320232040 in words is "twelve trillion, twenty-three billion, three hundred twenty million, two hundred thirty-two thousand, forty".