123203031223 has 8 divisors (see below), whose sum is σ = 127469872800. Its totient is φ = 118937420448.

The previous prime is 123203031163. The next prime is 123203031257. The reversal of 123203031223 is 322130302321.

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 123203031223 - 2⁹ = 123203030711 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123203031194 and 123203031203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123203031283) 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, 101688 + ... + 506701.

It is an arithmetic number, because the mean of its divisors is an integer number (15933734100).

Almost surely, 2^123203031223 is an apocalyptic number.

123203031223 is a deficient number, since it is larger than the sum of its proper divisors (4266841577).

123203031223 is an equidigital number, since it uses as much as digits as its factorization.

123203031223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615401.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 123203031223 its reverse (322130302321), we get a palindrome (445333333544).

The spelling of 123203031223 in words is "one hundred twenty-three billion, two hundred three million, thirty-one thousand, two hundred twenty-three".