417172123 has 2 divisors, whose sum is σ = 417172124. Its totient is φ = 417172122.

The previous prime is 417172087. The next prime is 417172127. The reversal of 417172123 is 321271714.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 417172123 - 2²⁵ = 383617691 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 417172091 and 417172100.

It is not a weakly prime, because it can be changed into another prime (417172127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 208586061 + 208586062.

It is an arithmetic number, because the mean of its divisors is an integer number (208586062).

Almost surely, 2^417172123 is an apocalyptic number.

417172123 is a deficient number, since it is larger than the sum of its proper divisors (1).

417172123 is an equidigital number, since it uses as much as digits as its factorization.

417172123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2352, while the sum is 28.

The square root of 417172123 is about 20424.7918716446. The cubic root of 417172123 is about 747.2026896367.

The spelling of 417172123 in words is "four hundred seventeen million, one hundred seventy-two thousand, one hundred twenty-three".