12023643356 has 12 divisors (see below), whose sum is σ = 21056621880. Its totient is φ = 6007465680.

The previous prime is 12023643341. The next prime is 12023643361. The reversal of 12023643356 is 65334632021.

It is a super-3 number, since 3×12023643356³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1082786 + ... + 1093833.

It is an arithmetic number, because the mean of its divisors is an integer number (1754718490).

Almost surely, 2^12023643356 is an apocalyptic number.

It is an amenable number.

12023643356 is a deficient number, since it is larger than the sum of its proper divisors (9032978524).

12023643356 is a wasteful number, since it uses less digits than its factorization.

12023643356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2178004 (or 2178002 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 35.

The spelling of 12023643356 in words is "twelve billion, twenty-three million, six hundred forty-three thousand, three hundred fifty-six".