123335313145543 has 16 divisors (see below), whose sum is σ = 124504477194240. Its totient is φ = 122171836536736.

The previous prime is 123335313145519. The next prime is 123335313145553. The reversal of 123335313145543 is 345541313533321.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123335313145543 is a prime.

It is a super-2 number, since 2×123335313145543² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123335313145493 and 123335313145502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123335313145553) 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, 242081730 + ... + 242590672.

It is an arithmetic number, because the mean of its divisors is an integer number (7781529824640).

Almost surely, 2^{123335313145543} is an apocalyptic number.

123335313145543 is a deficient number, since it is larger than the sum of its proper divisors (1169164048697).

123335313145543 is a wasteful number, since it uses less digits than its factorization.

123335313145543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514526.

The product of its digits is 2916000, while the sum is 46.

Adding to 123335313145543 its reverse (345541313533321), we get a palindrome (468876626678864).

The spelling of 123335313145543 in words is "one hundred twenty-three trillion, three hundred thirty-five billion, three hundred thirteen million, one hundred forty-five thousand, five hundred forty-three".