123031331233203 has 8 divisors (see below), whose sum is σ = 164041871088528. Its totient is φ = 82020839433344.

The previous prime is 123031331233159. The next prime is 123031331233229. The reversal of 123031331233203 is 302332133130321.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123031331233203 is a prime.

It is a super-2 number, since 2×123031331233203² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123031331233253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5542026 + ... + 16636607.

It is an arithmetic number, because the mean of its divisors is an integer number (20505233886066).

Almost surely, 2^{123031331233203} is an apocalyptic number.

123031331233203 is a deficient number, since it is larger than the sum of its proper divisors (41010539855325).

123031331233203 is a wasteful number, since it uses less digits than its factorization.

123031331233203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24027733.

The product of its (nonzero) digits is 17496, while the sum is 30.

Adding to 123031331233203 its reverse (302332133130321), we get a palindrome (425363464363524).

The spelling of 123031331233203 in words is "one hundred twenty-three trillion, thirty-one billion, three hundred thirty-one million, two hundred thirty-three thousand, two hundred three".