353013644123 has 4 divisors (see below), whose sum is σ = 403444164720. Its totient is φ = 302583123528.

The previous prime is 353013644051. The next prime is 353013644129. The reversal of 353013644123 is 321446310353.

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

It is not a de Polignac number, because 353013644123 - 2¹² = 353013640027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (353013644129) 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, 25215260288 + ... + 25215260301.

It is an arithmetic number, because the mean of its divisors is an integer number (100861041180).

Almost surely, 2^353013644123 is an apocalyptic number.

353013644123 is a deficient number, since it is larger than the sum of its proper divisors (50430520597).

353013644123 is an equidigital number, since it uses as much as digits as its factorization.

353013644123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50430520596.

The product of its (nonzero) digits is 77760, while the sum is 35.

Adding to 353013644123 its reverse (321446310353), we get a palindrome (674459954476).

The spelling of 353013644123 in words is "three hundred fifty-three billion, thirteen million, six hundred forty-four thousand, one hundred twenty-three".