1353223434123 has 32 divisors (see below), whose sum is σ = 2208681561600. Its totient is φ = 812015244000.

The previous prime is 1353223434107. The next prime is 1353223434127. The reversal of 1353223434123 is 3214343223531.

1353223434123 is a `hidden beast` number, since 1 + 3 + 5 + 3 + 2 + 234 + 3 + 412 + 3 = 666.

It is not a de Polignac number, because 1353223434123 - 2⁴ = 1353223434107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1353223434127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22525983 + ... + 22585976.

It is an arithmetic number, because the mean of its divisors is an integer number (69021298800).

Almost surely, 2^{1353223434123} is an apocalyptic number.

1353223434123 is a deficient number, since it is larger than the sum of its proper divisors (855458127477).

1353223434123 is a wasteful number, since it uses less digits than its factorization.

1353223434123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45112080 (or 45112074 counting only the distinct ones).

The product of its digits is 155520, while the sum is 36.

Adding to 1353223434123 its reverse (3214343223531), we get a palindrome (4567566657654).

The spelling of 1353223434123 in words is "one trillion, three hundred fifty-three billion, two hundred twenty-three million, four hundred thirty-four thousand, one hundred twenty-three".