123423171207 has 8 divisors (see below), whose sum is σ = 188073403776. Its totient is φ = 70527526392.

The previous prime is 123423171203. The next prime is 123423171227. The reversal of 123423171207 is 702171324321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 123423171207 - 2² = 123423171203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123423171203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2938646913 + ... + 2938646954.

It is an arithmetic number, because the mean of its divisors is an integer number (23509175472).

Almost surely, 2^123423171207 is an apocalyptic number.

123423171207 is a deficient number, since it is larger than the sum of its proper divisors (64650232569).

123423171207 is an equidigital number, since it uses as much as digits as its factorization.

123423171207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5877293877.

The product of its (nonzero) digits is 14112, while the sum is 33.

Adding to 123423171207 its reverse (702171324321), we get a palindrome (825594495528).

The spelling of 123423171207 in words is "one hundred twenty-three billion, four hundred twenty-three million, one hundred seventy-one thousand, two hundred seven".