225720106123 has 8 divisors (see below), whose sum is σ = 228347395328. Its totient is φ = 223101198504.

The previous prime is 225720106121. The next prime is 225720106159. The reversal of 225720106123 is 321601027522.

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

It is a cyclic number.

It is not a de Polignac number, because 225720106123 - 2¹ = 225720106121 is a prime.

It is a super-2 number, since 2×225720106123² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225720106121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2041215 + ... + 2148952.

It is an arithmetic number, because the mean of its divisors is an integer number (28543424416).

Almost surely, 2^225720106123 is an apocalyptic number.

225720106123 is a deficient number, since it is larger than the sum of its proper divisors (2627289205).

225720106123 is a wasteful number, since it uses less digits than its factorization.

225720106123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4190793.

The product of its (nonzero) digits is 10080, while the sum is 31.

The spelling of 225720106123 in words is "two hundred twenty-five billion, seven hundred twenty million, one hundred six thousand, one hundred twenty-three".