12923436239 has 8 divisors (see below), whose sum is σ = 14770710528. Its totient is φ = 11076429240.

The previous prime is 12923436223. The next prime is 12923436269. The reversal of 12923436239 is 93263432921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12923436239 - 2⁴ = 12923436223 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12923436239.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12923436269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50534 + ... + 168524.

It is an arithmetic number, because the mean of its divisors is an integer number (1846338816).

Almost surely, 2^12923436239 is an apocalyptic number.

12923436239 is a deficient number, since it is larger than the sum of its proper divisors (1847274289).

12923436239 is a wasteful number, since it uses less digits than its factorization.

12923436239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133645.

The product of its digits is 419904, while the sum is 44.

The spelling of 12923436239 in words is "twelve billion, nine hundred twenty-three million, four hundred thirty-six thousand, two hundred thirty-nine".