3123426163065 has 128 divisors (see below), whose sum is σ = 5465364602880. Its totient is φ = 1514044680192.

The previous prime is 3123426163063. The next prime is 3123426163069. The reversal of 3123426163065 is 5603616243213.

It is not a de Polignac number, because 3123426163065 - 2¹ = 3123426163063 is a prime.

It is a super-2 number, since 2×3123426163065² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3123426163063) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 4296321732 + ... + 4296322458.

It is an arithmetic number, because the mean of its divisors is an integer number (42698160960).

Almost surely, 2^{3123426163065} is an apocalyptic number.

It is an amenable number.

3123426163065 is a deficient number, since it is larger than the sum of its proper divisors (2341938439815).

3123426163065 is a wasteful number, since it uses less digits than its factorization.

3123426163065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1783.

The product of its (nonzero) digits is 466560, while the sum is 42.

The spelling of 3123426163065 in words is "three trillion, one hundred twenty-three billion, four hundred twenty-six million, one hundred sixty-three thousand, sixty-five".