123312321003 has 8 divisors (see below), whose sum is σ = 171564968448. Its totient is φ = 78633943784.

The previous prime is 123312320993. The next prime is 123312321019. The reversal of 123312321003 is 300123213321.

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 123312321003 - 2³⁰ = 122238579179 is a prime.

It is a super-4 number, since 4×123312321003⁴ (a number of 45 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (123312321043) 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, 893567475 + ... + 893567612.

It is an arithmetic number, because the mean of its divisors is an integer number (21445621056).

Almost surely, 2^123312321003 is an apocalyptic number.

123312321003 is a deficient number, since it is larger than the sum of its proper divisors (48252647445).

123312321003 is a wasteful number, since it uses less digits than its factorization.

123312321003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1787135113.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 123312321003 its reverse (300123213321), we get a palindrome (423435534324).

The spelling of 123312321003 in words is "one hundred twenty-three billion, three hundred twelve million, three hundred twenty-one thousand, three".