12023550243 has 12 divisors (see below), whose sum is σ = 17790944808. Its totient is φ = 7820195040.

The previous prime is 12023550239. The next prime is 12023550277. The reversal of 12023550243 is 34205532021.

It is a happy number.

12023550243 is a `hidden beast` number, since 120 + 2 + 35 + 502 + 4 + 3 = 666.

It is not a de Polignac number, because 12023550243 - 2² = 12023550239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12023550283) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16291705 + ... + 16292442.

It is an arithmetic number, because the mean of its divisors is an integer number (1482578734).

Almost surely, 2^12023550243 is an apocalyptic number.

12023550243 is a deficient number, since it is larger than the sum of its proper divisors (5767394565).

12023550243 is a wasteful number, since it uses less digits than its factorization.

12023550243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32584194 (or 32584191 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The spelling of 12023550243 in words is "twelve billion, twenty-three million, five hundred fifty thousand, two hundred forty-three".