123015166472 has 32 divisors (see below), whose sum is σ = 251655638400. Its totient is φ = 55908494400.

The previous prime is 123015166427. The next prime is 123015166489. The reversal of 123015166472 is 274661510321.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 595697 + ... + 775167.

It is an arithmetic number, because the mean of its divisors is an integer number (7864238700).

Almost surely, 2^123015166472 is an apocalyptic number.

It is an amenable number.

123015166472 is an abundant number, since it is smaller than the sum of its proper divisors (128640471928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123015166472 is a wasteful number, since it uses less digits than its factorization.

123015166472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187277 (or 187273 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 38.

Adding to 123015166472 its reverse (274661510321), we get a palindrome (397676676793).

The spelling of 123015166472 in words is "one hundred twenty-three billion, fifteen million, one hundred sixty-six thousand, four hundred seventy-two".