3123426165503 has 16 divisors (see below), whose sum is σ = 3586595819520. Its totient is φ = 2664504412416.

The previous prime is 3123426165469. The next prime is 3123426165511. The reversal of 3123426165503 is 3055616243213.

It is not a de Polignac number, because 3123426165503 - 2²⁴ = 3123409388287 is a prime.

It is a super-2 number, since 2×3123426165503² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3123426165553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5614703 + ... + 6145871.

It is an arithmetic number, because the mean of its divisors is an integer number (224162238720).

Almost surely, 2^{3123426165503} is an apocalyptic number.

3123426165503 is a deficient number, since it is larger than the sum of its proper divisors (463169654017).

3123426165503 is a wasteful number, since it uses less digits than its factorization.

3123426165503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535166.

The product of its (nonzero) digits is 388800, while the sum is 41.

The spelling of 3123426165503 in words is "three trillion, one hundred twenty-three billion, four hundred twenty-six million, one hundred sixty-five thousand, five hundred three".