123533411225 has 36 divisors (see below), whose sum is σ = 178379307324. Its totient is φ = 84618938880.

The previous prime is 123533411213. The next prime is 123533411227. The reversal of 123533411225 is 522114335321.

It can be written as a sum of positive squares in 6 ways, for example, as 1757537929 + 121775873296 = 41923^2 + 348964^2 .

It is not a de Polignac number, because 123533411225 - 2¹⁰ = 123533410201 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123533411191 and 123533411200.

It is not an unprimeable number, because it can be changed into a prime (123533411227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1114517 + ... + 1220333.

It is an arithmetic number, because the mean of its divisors is an integer number (4954980759).

Almost surely, 2^123533411225 is an apocalyptic number.

It is an amenable number.

123533411225 is a deficient number, since it is larger than the sum of its proper divisors (54845896099).

123533411225 is a wasteful number, since it uses less digits than its factorization.

123533411225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106794 (or 106782 counting only the distinct ones).

The product of its digits is 21600, while the sum is 32.

Adding to 123533411225 its reverse (522114335321), we get a palindrome (645647746546).

The spelling of 123533411225 in words is "one hundred twenty-three billion, five hundred thirty-three million, four hundred eleven thousand, two hundred twenty-five".