12400653463423 has 4 divisors (see below), whose sum is σ = 12400677524088. Its totient is φ = 12400629402760.

The previous prime is 12400653463411. The next prime is 12400653463447. The reversal of 12400653463423 is 32436435600421.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12400653463423 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12400653463423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12400653463493) 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, 11239936 + ... + 12293797.

It is an arithmetic number, because the mean of its divisors is an integer number (3100169381022).

Almost surely, 2^{12400653463423} is an apocalyptic number.

12400653463423 is a deficient number, since it is larger than the sum of its proper divisors (24060665).

12400653463423 is an equidigital number, since it uses as much as digits as its factorization.

12400653463423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24060664.

The product of its (nonzero) digits is 1244160, while the sum is 43.

The spelling of 12400653463423 in words is "twelve trillion, four hundred billion, six hundred fifty-three million, four hundred sixty-three thousand, four hundred twenty-three".