123552321 has 8 divisors (see below), whose sum is σ = 164926944. Its totient is φ = 82272960.

The previous prime is 123552301. The next prime is 123552337. The reversal of 123552321 is 123255321.

It is a happy number.

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

It is not a de Polignac number, because 123552321 - 2¹⁸ = 123290177 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123552291 and 123552300.

It is not an unprimeable number, because it can be changed into a prime (123552301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20731 + ... + 26016.

It is an arithmetic number, because the mean of its divisors is an integer number (20615868).

Almost surely, 2^123552321 is an apocalyptic number.

It is an amenable number.

123552321 is a deficient number, since it is larger than the sum of its proper divisors (41374623).

123552321 is an equidigital number, since it uses as much as digits as its factorization.

123552321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47631.

The product of its digits is 1800, while the sum is 24.

The square root of 123552321 is about 11115.4091692569. The cubic root of 123552321 is about 498.0622613725.

The spelling of 123552321 in words is "one hundred twenty-three million, five hundred fifty-two thousand, three hundred twenty-one".