123544043024353 has 12 divisors (see below), whose sum is σ = 148350450611712. Its totient is φ = 102478929696360.

The previous prime is 123544043024333. The next prime is 123544043024359. The reversal of 123544043024353 is 353420340445321.

It is not a de Polignac number, because 123544043024353 - 2⁵ = 123544043024321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123544043024359) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40666240425 + ... + 40666243462.

It is an arithmetic number, because the mean of its divisors is an integer number (12362537550976).

Almost surely, 2^{123544043024353} is an apocalyptic number.

It is an amenable number.

123544043024353 is a deficient number, since it is larger than the sum of its proper divisors (24806407587359).

123544043024353 is an equidigital number, since it uses as much as digits as its factorization.

123544043024353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81332483932 (or 81332483925 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 43.

Adding to 123544043024353 its reverse (353420340445321), we get a palindrome (476964383469674).

The spelling of 123544043024353 in words is "one hundred twenty-three trillion, five hundred forty-four billion, forty-three million, twenty-four thousand, three hundred fifty-three".