123211312003 has 8 divisors (see below), whose sum is σ = 132789569696. Its totient is φ = 113647406400.

The previous prime is 123211312001. The next prime is 123211312031. The reversal of 123211312003 is 300213112321.

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 123211312003 - 2¹ = 123211312001 is a prime.

It is a super-2 number, since 2×123211312003² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123211312001) 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, 3570183 + ... + 3604528.

It is an arithmetic number, because the mean of its divisors is an integer number (16598696212).

Almost surely, 2^123211312003 is an apocalyptic number.

123211312003 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

123211312003 is a deficient number, since it is larger than the sum of its proper divisors (9578257693).

123211312003 is a wasteful number, since it uses less digits than its factorization.

123211312003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7176045.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 123211312003 its reverse (300213112321), we get a palindrome (423424424324).

The spelling of 123211312003 in words is "one hundred twenty-three billion, two hundred eleven million, three hundred twelve thousand, three".