12423009213954 has 24 divisors (see below), whose sum is σ = 26933851975212. Its totient is φ = 4138336608000.

The previous prime is 12423009213941. The next prime is 12423009213959. The reversal of 12423009213954 is 45931290032421.

12423009213954 is a `hidden beast` number, since 1 + 2 + 4 + 230 + 0 + 9 + 21 + 395 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 9966188083329 + 2456821130625 = 3156927^2 + 1567425^2 .

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (12423009213959) 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 11 ways as a sum of consecutive naturals, for example, 222176547 + ... + 222232454.

Almost surely, 2^{12423009213954} is an apocalyptic number.

12423009213954 is an abundant number, since it is smaller than the sum of its proper divisors (14510842761258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12423009213954 is a wasteful number, since it uses less digits than its factorization.

12423009213954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444410562 (or 444410559 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The spelling of 12423009213954 in words is "twelve trillion, four hundred twenty-three billion, nine million, two hundred thirteen thousand, nine hundred fifty-four".