123416472225 has 48 divisors (see below), whose sum is σ = 214545982464. Its totient is φ = 62479560000.

The previous prime is 123416472191. The next prime is 123416472227. The reversal of 123416472225 is 522274614321.

It is not a de Polignac number, because 123416472225 - 2¹⁵ = 123416439457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123416472227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 47101 + ... + 499050.

It is an arithmetic number, because the mean of its divisors is an integer number (4469707968).

Almost surely, 2^123416472225 is an apocalyptic number.

123416472225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

123416472225 is a deficient number, since it is larger than the sum of its proper divisors (91129510239).

123416472225 is a wasteful number, since it uses less digits than its factorization.

123416472225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546318 (or 546313 counting only the distinct ones).

The product of its digits is 161280, while the sum is 39.

The spelling of 123416472225 in words is "one hundred twenty-three billion, four hundred sixteen million, four hundred seventy-two thousand, two hundred twenty-five".