123321104 has 10 divisors (see below), whose sum is σ = 238934670. Its totient is φ = 61660544.

The previous prime is 123321103. The next prime is 123321113. The reversal of 123321104 is 401123321.

It can be written as a sum of positive squares in only one way, i.e., 101042704 + 22278400 = 10052^2 + 4720^2 .

It is not an unprimeable number, because it can be changed into a prime (123321103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3853769 + ... + 3853800.

It is an arithmetic number, because the mean of its divisors is an integer number (23893467).

Almost surely, 2^123321104 is an apocalyptic number.

It is an amenable number.

123321104 is a deficient number, since it is larger than the sum of its proper divisors (115613566).

123321104 is an equidigital number, since it uses as much as digits as its factorization.

123321104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7707577 (or 7707571 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 123321104 is about 11105.0035569558. The cubic root of 123321104 is about 497.7513745266.

Adding to 123321104 its reverse (401123321), we get a palindrome (524444425).

The spelling of 123321104 in words is "one hundred twenty-three million, three hundred twenty-one thousand, one hundred four".