12603123320431 has 16 divisors (see below), whose sum is σ = 15241499163648. Its totient is φ = 10187460360000.

The previous prime is 12603123320407. The next prime is 12603123320453. The reversal of 12603123320431 is 13402332130621.

It is a happy number.

It is not a de Polignac number, because 12603123320431 - 2¹³ = 12603123312239 is a prime.

It is a super-2 number, since 2×12603123320431² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12603123320393 and 12603123320402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12603123120431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 551258070 + ... + 551280931.

It is an arithmetic number, because the mean of its divisors is an integer number (952593697728).

Almost surely, 2^{12603123320431} is an apocalyptic number.

12603123320431 is a deficient number, since it is larger than the sum of its proper divisors (2638375843217).

12603123320431 is a wasteful number, since it uses less digits than its factorization.

12603123320431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102539102.

The product of its (nonzero) digits is 15552, while the sum is 31.

The spelling of 12603123320431 in words is "twelve trillion, six hundred three billion, one hundred twenty-three million, three hundred twenty thousand, four hundred thirty-one".