123533412243 has 16 divisors (see below), whose sum is σ = 166189882656. Its totient is φ = 81618278400.

The previous prime is 123533412217. The next prime is 123533412259. The reversal of 123533412243 is 342214335321.

It is not a de Polignac number, because 123533412243 - 2⁹ = 123533411731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123533412263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3046 + ... + 497067.

It is an arithmetic number, because the mean of its divisors is an integer number (10386867666).

Almost surely, 2^123533412243 is an apocalyptic number.

123533412243 is a deficient number, since it is larger than the sum of its proper divisors (42656470413).

123533412243 is a wasteful number, since it uses less digits than its factorization.

123533412243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500854.

The product of its digits is 51840, while the sum is 33.

Adding to 123533412243 its reverse (342214335321), we get a palindrome (465747747564).

The spelling of 123533412243 in words is "one hundred twenty-three billion, five hundred thirty-three million, four hundred twelve thousand, two hundred forty-three".