123211325 has 24 divisors (see below), whose sum is σ = 164221632. Its totient is φ = 91365120.

The previous prime is 123211321. The next prime is 123211327. The reversal of 123211325 is 523112321.

It is not a de Polignac number, because 123211325 - 2² = 123211321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123211297 and 123211306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123211321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26312 + ... + 30638.

It is an arithmetic number, because the mean of its divisors is an integer number (6842568).

Almost surely, 2^123211325 is an apocalyptic number.

It is an amenable number.

123211325 is a deficient number, since it is larger than the sum of its proper divisors (41010307).

123211325 is a wasteful number, since it uses less digits than its factorization.

123211325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4421 (or 4416 counting only the distinct ones).

The product of its digits is 360, while the sum is 20.

The square root of 123211325 is about 11100.0596845242. The cubic root of 123211325 is about 497.6036332007.

Adding to 123211325 its reverse (523112321), we get a palindrome (646323646).

The spelling of 123211325 in words is "one hundred twenty-three million, two hundred eleven thousand, three hundred twenty-five".