123210031003123 has 8 divisors (see below), whose sum is σ = 132714311095296. Its totient is φ = 114051361096200.

The previous prime is 123210031003099. The next prime is 123210031003127. The reversal of 123210031003123 is 321300130012321.

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 123210031003123 - 2¹³ = 123210030994931 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123210031003094 and 123210031003103.

It is not an unprimeable number, because it can be changed into a prime (123210031003127) 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, 86402545573 + ... + 86402546998.

It is an arithmetic number, because the mean of its divisors is an integer number (16589288886912).

Almost surely, 2^{123210031003123} is an apocalyptic number.

123210031003123 is a deficient number, since it is larger than the sum of its proper divisors (9504280092173).

123210031003123 is a wasteful number, since it uses less digits than its factorization.

123210031003123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172805092625.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 123210031003123 its reverse (321300130012321), we get a palindrome (444510161015444).

The spelling of 123210031003123 in words is "one hundred twenty-three trillion, two hundred ten billion, thirty-one million, three thousand, one hundred twenty-three".