123013240534552 has 16 divisors (see below), whose sum is σ = 230650092146160. Its totient is φ = 61506549295584.

The previous prime is 123013240534519. The next prime is 123013240534553. The reversal of 123013240534552 is 255435042310321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123013240534553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1105123 + ... + 15724114.

It is an arithmetic number, because the mean of its divisors is an integer number (14415630759135).

Almost surely, 2^{123013240534552} is an apocalyptic number.

It is an amenable number.

123013240534552 is a deficient number, since it is larger than the sum of its proper divisors (107636851611608).

123013240534552 is a wasteful number, since it uses less digits than its factorization.

123013240534552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17742930 (or 17742926 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 40.

Adding to 123013240534552 its reverse (255435042310321), we get a palindrome (378448282844873).

The spelling of 123013240534552 in words is "one hundred twenty-three trillion, thirteen billion, two hundred forty million, five hundred thirty-four thousand, five hundred fifty-two".