12303734535 has 12 divisors (see below), whose sum is σ = 21326473272. Its totient is φ = 6561991728.

The previous prime is 12303734533. The next prime is 12303734549. The reversal of 12303734535 is 53543730321.

12303734535 is a `hidden beast` number, since 1 + 2 + 303 + 7 + 345 + 3 + 5 = 666.

It is not a de Polignac number, because 12303734535 - 2¹ = 12303734533 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12303734535.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12303734533) 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, 136708117 + ... + 136708206.

It is an arithmetic number, because the mean of its divisors is an integer number (1777206106).

Almost surely, 2^12303734535 is an apocalyptic number.

12303734535 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12303734535 is a deficient number, since it is larger than the sum of its proper divisors (9022738737).

12303734535 is a wasteful number, since it uses less digits than its factorization.

12303734535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273416334 (or 273416331 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 36.

The spelling of 12303734535 in words is "twelve billion, three hundred three million, seven hundred thirty-four thousand, five hundred thirty-five".