123321007 has 8 divisors (see below), whose sum is σ = 127877120. Its totient is φ = 118801080.

The previous prime is 123320999. The next prime is 123321041. The reversal of 123321007 is 700123321.

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

It is a cyclic number.

It is not a de Polignac number, because 123321007 - 2³ = 123320999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123321067) 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, 2007 + ... + 15832.

It is an arithmetic number, because the mean of its divisors is an integer number (15984640).

Almost surely, 2^123321007 is an apocalyptic number.

123321007 is a deficient number, since it is larger than the sum of its proper divisors (4556113).

123321007 is a wasteful number, since it uses less digits than its factorization.

123321007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18093.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 123321007 is about 11104.9991895542. Note that the first 3 decimals coincide. The cubic root of 123321007 is about 497.7512440221.

Adding to 123321007 its reverse (700123321), we get a palindrome (823444328).

The spelling of 123321007 in words is "one hundred twenty-three million, three hundred twenty-one thousand, seven".