12321409263 has 4 divisors (see below), whose sum is σ = 16428545688. Its totient is φ = 8214272840.

The previous prime is 12321409259. The next prime is 12321409267. The reversal of 12321409263 is 36290412321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36290412321 = 3 ⋅12096804107.

It is an interprime number because it is at equal distance from previous prime (12321409259) and next prime (12321409267).

It is a cyclic number.

It is not a de Polignac number, because 12321409263 - 2² = 12321409259 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12321409267) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2053568208 + ... + 2053568213.

It is an arithmetic number, because the mean of its divisors is an integer number (4107136422).

Almost surely, 2^12321409263 is an apocalyptic number.

12321409263 is a deficient number, since it is larger than the sum of its proper divisors (4107136425).

12321409263 is an equidigital number, since it uses as much as digits as its factorization.

12321409263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4107136424.

The product of its (nonzero) digits is 15552, while the sum is 33.

The spelling of 12321409263 in words is "twelve billion, three hundred twenty-one million, four hundred nine thousand, two hundred sixty-three".