2917912123 has 6 divisors (see below), whose sum is σ = 3394305996. Its totient is φ = 2501067492.

The previous prime is 2917912117. The next prime is 2917912171. The reversal of 2917912123 is 3212197192.

It is not a de Polignac number, because 2917912123 - 2²⁵ = 2884357691 is a prime.

It is a super-2 number, since 2×2917912123² = 17028422315100734258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2917913123) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29774565 + ... + 29774662.

It is an arithmetic number, because the mean of its divisors is an integer number (565717666).

Almost surely, 2^2917912123 is an apocalyptic number.

2917912123 is a deficient number, since it is larger than the sum of its proper divisors (476393873).

2917912123 is an equidigital number, since it uses as much as digits as its factorization.

2917912123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59549241 (or 59549234 counting only the distinct ones).

The product of its digits is 13608, while the sum is 37.

The square root of 2917912123 is about 54017.7019411230. The cubic root of 2917912123 is about 1428.9731528260.

The spelling of 2917912123 in words is "two billion, nine hundred seventeen million, nine hundred twelve thousand, one hundred twenty-three".