225671601123 has 16 divisors (see below), whose sum is σ = 334611434400. Its totient is φ = 150320322720.

The previous prime is 225671601119. The next prime is 225671601149. The reversal of 225671601123 is 321106176522.

225671601123 is a `hidden beast` number, since 2 + 2 + 567 + 1 + 60 + 11 + 23 = 666.

It is not a de Polignac number, because 225671601123 - 2² = 225671601119 is a prime.

It is a super-2 number, since 2×225671601123² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (225671601223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3506728 + ... + 3570501.

It is an arithmetic number, because the mean of its divisors is an integer number (20913214650).

Almost surely, 2^225671601123 is an apocalyptic number.

225671601123 is a deficient number, since it is larger than the sum of its proper divisors (108939833277).

225671601123 is a wasteful number, since it uses less digits than its factorization.

225671601123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7078419 (or 7078413 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

Adding to 225671601123 its reverse (321106176522), we get a palindrome (546777777645).

The spelling of 225671601123 in words is "two hundred twenty-five billion, six hundred seventy-one million, six hundred one thousand, one hundred twenty-three".