123046172 has 24 divisors (see below), whose sum is σ = 220953936. Its totient is φ = 59937408.

The previous prime is 123046171. The next prime is 123046181. The reversal of 123046172 is 271640321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123046171) 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 7 ways as a sum of consecutive naturals, for example, 21698 + ... + 26774.

It is an arithmetic number, because the mean of its divisors is an integer number (9206414).

Almost surely, 2^123046172 is an apocalyptic number.

It is an amenable number.

123046172 is a deficient number, since it is larger than the sum of its proper divisors (97907764).

123046172 is a wasteful number, since it uses less digits than its factorization.

123046172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5237 (or 5235 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 123046172 is about 11092.6179056163. The cubic root of 123046172 is about 497.3812037591.

Adding to 123046172 its reverse (271640321), we get a palindrome (394686493).

The spelling of 123046172 in words is "one hundred twenty-three million, forty-six thousand, one hundred seventy-two".