123825413 has 4 divisors (see below), whose sum is σ = 130342560. Its totient is φ = 117308268.

The previous prime is 123825409. The next prime is 123825419. The reversal of 123825413 is 314528321.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 123825413 - 2² = 123825409 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123825419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3258545 + ... + 3258582.

It is an arithmetic number, because the mean of its divisors is an integer number (32585640).

Almost surely, 2^123825413 is an apocalyptic number.

It is an amenable number.

123825413 is a deficient number, since it is larger than the sum of its proper divisors (6517147).

123825413 is an equidigital number, since it uses as much as digits as its factorization.

123825413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6517146.

The product of its digits is 5760, while the sum is 29.

The square root of 123825413 is about 11127.6867766845. The cubic root of 123825413 is about 498.4289527915.

The spelling of 123825413 in words is "one hundred twenty-three million, eight hundred twenty-five thousand, four hundred thirteen".