12402605423 has 8 divisors (see below), whose sum is σ = 13517576688. Its totient is φ = 11310623424.

The previous prime is 12402605377. The next prime is 12402605429. The reversal of 12402605423 is 32450620421.

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 12402605423 - 2⁶ = 12402605359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12402605429) 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, 5746190 + ... + 5748347.

It is an arithmetic number, because the mean of its divisors is an integer number (1689697086).

Almost surely, 2^12402605423 is an apocalyptic number.

12402605423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12402605423 is a deficient number, since it is larger than the sum of its proper divisors (1114971265).

12402605423 is a wasteful number, since it uses less digits than its factorization.

12402605423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11494633.

The product of its (nonzero) digits is 11520, while the sum is 29.

The spelling of 12402605423 in words is "twelve billion, four hundred two million, six hundred five thousand, four hundred twenty-three".