123033231203123 has 4 divisors (see below), whose sum is σ = 129508664424360. Its totient is φ = 116557797981888.

The previous prime is 123033231203101. The next prime is 123033231203153. The reversal of 123033231203123 is 321302132330321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 123033231203123 - 2¹⁶ = 123033231137587 is a prime.

It is a super-2 number, since 2×123033231203123² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123033231203153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3237716610590 + ... + 3237716610627.

It is an arithmetic number, because the mean of its divisors is an integer number (32377166106090).

Almost surely, 2^{123033231203123} is an apocalyptic number.

123033231203123 is a deficient number, since it is larger than the sum of its proper divisors (6475433221237).

123033231203123 is an equidigital number, since it uses as much as digits as its factorization.

123033231203123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6475433221236.

The product of its (nonzero) digits is 11664, while the sum is 29.

Adding to 123033231203123 its reverse (321302132330321), we get a palindrome (444335363533444).

The spelling of 123033231203123 in words is "one hundred twenty-three trillion, thirty-three billion, two hundred thirty-one million, two hundred three thousand, one hundred twenty-three".