123489417 has 32 divisors (see below), whose sum is σ = 181077120. Its totient is φ = 74580480.

The previous prime is 123489397. The next prime is 123489427. The reversal of 123489417 is 714984321.

It is not a de Polignac number, because 123489417 - 2⁸ = 123489161 is a prime.

It is a super-2 number, since 2×123489417² = 30499272221999778, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123489427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 123363 + ... + 124359.

It is an arithmetic number, because the mean of its divisors is an integer number (5658660).

Almost surely, 2^123489417 is an apocalyptic number.

It is an amenable number.

123489417 is a deficient number, since it is larger than the sum of its proper divisors (57587703).

123489417 is a wasteful number, since it uses less digits than its factorization.

123489417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1113.

The product of its digits is 48384, while the sum is 39.

The square root of 123489417 is about 11112.5792235646. The cubic root of 123489417 is about 497.9777211368.

The spelling of 123489417 in words is "one hundred twenty-three million, four hundred eighty-nine thousand, four hundred seventeen".