12023318514015 has 24 divisors (see below), whose sum is σ = 21091508146800. Its totient is φ = 6335178267264.

The previous prime is 12023318513977. The next prime is 12023318514019. The reversal of 12023318514015 is 51041581332021.

12023318514015 is a `hidden beast` number, since 1 + 2 + 0 + 233 + 18 + 5 + 1 + 401 + 5 = 666.

It is not a de Polignac number, because 12023318514015 - 2¹⁰ = 12023318512991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12023318514019) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1609543590 + ... + 1609551059.

It is an arithmetic number, because the mean of its divisors is an integer number (878812839450).

Almost surely, 2^{12023318514015} is an apocalyptic number.

12023318514015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12023318514015 is a deficient number, since it is larger than the sum of its proper divisors (9068189632785).

12023318514015 is a wasteful number, since it uses less digits than its factorization.

12023318514015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3219094743 (or 3219094740 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

Adding to 12023318514015 its reverse (51041581332021), we get a palindrome (63064899846036).

The spelling of 12023318514015 in words is "twelve trillion, twenty-three billion, three hundred eighteen million, five hundred fourteen thousand, fifteen".